Lithium Ion Batteries
Contents
1. q Voltage D Voltage Current A Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current 280 mA up to 3 0V at 20 C Current Capacity Recovery Ratio a Oo 3 4 5 3 4 Discharge Capacity Wh Period Month lt x E o g o io O Voltage V Current mA Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current 1400 mA up to 3 0V at Capacity mAh Number of Cycles Cycles Panasonic 22 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650HM CGR18650HM Cylindrical Model Discharge Characteristics 5 0 Charge Conditions Constant voltage constant current 4 2 V External Dimensions mm 2 r 1120 mA max 2 hours 20 C 18 3 10 5 800 1000 1200 1400 1600 1800 2000 Capacity mAh ge Condi 1120 mA max 2 hours 20 C Discharge Conditions Constant current 320 mA Voltage V With Tube 600 800 1000 1200 1400 1600 1800 2000 Capacity mAh Specifications Height 64 740 3mm_ Weight Approx4ig 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 1120 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is disch2. 3 Immediately discontinue use of the battery if while using charging or storing the battery the battery emits an unusual smell feels hot changes color changes shape or appears abnormal in any other way Contact your sales location or Panasonic if any of these problems are observed 4 Do not place the batteries in microwave ovens high pressure containers or on induction cookware 5 In the event that the battery leaks and the fluid gets into one s eye do not rub the eye Rinse well with water and immediately seek medical care If left untreated the battery fluid could cause damage to the eye ora oma gt a 2 While Charging A WARNING 1 Be sure to follow the rules listed below while charging the battery Failure to do so may cause the battery to become hot explode or ignite and cause serious injury e When charging the battery either use a specified battery charger or otherwise insure that the battery charging conditions specified by Panasonic are met Do not attach the batteries to a power supply plug or directly to a car s cigarette lighter Do not place the batteries in or near fire or into direct sunlight When the battery becomes hot the built in safety equipment is activated preventing the battery from charging further and heating the battery can destroy the safety equipment and can cause additional heating breaking or ignition of the battery 2 Do not continue charging the battery if it does not recharge withi
3. Panasonic s Trial Product 00 Discharge Capacity mAh Panasonic 8 Lithium lon Batteries OVERCHARGE OVERDISCHARGE OVERCURRENT SAFETY CIRCUITS e The Functions of the Safety Circuits Typical Functions The voltages listed below are typical values and are not guaranteed The charge voltage varies according to model number 1 The Overcharge Safety Function The charge stops when the voltage per cell rises above 4 30 0 05 V The charge restarts when the voltage per cell falls below 4 00 0 15 V 2 The Overdischarge Safety Function The discharge stops when the voltage per cell falls below 2 3 0 1 V The discharge restarts when the voltage per cell rises above 3 0 0 15 V 3 The Overcurrent Safety Function The discharge is stopped when the output terminals are shorted The discharge restarts when the short is removed e Reference Example of the Safety Circuits Battery Pack Unusable Region Batteries Region Used by the Set Discharge Overdischarge Region Unusable Region e The safety circuits in the diagram above are for overcharging overdischarging and overcurrent for a single cell battery pack Please contact Panasonic when two or more cells are connected or when actually using this or other circuits Panasonic 9 Lithium lon Batteries OVERCHARGE OVERDISCHARGE OVERCURRENT SAFETY CIRCUITS CONTINUED e Battery Pack Block Diagram Reference Example The diagram below shows a diag
4. s the battery pack inserted YES Battery temperature check Is voltage check 1 no load higher than the charge completion voltage 41Vor4 2V aoe Voltage check 2 no load O7OmAchage CmA O7OmAchage 0 1 0 1 CmAcharge 0 1 CmAcharge CV mode post transition Enter into CV charge current check ichg lt iset1 NO ES _ Charge complete timer Re charge timer end decision Ss T Gu O ua stop current check tmin lt tbat lt tmax NO Wait Overdischarge check OCV voltage gt 3V NO AZ Panasonic 12 Lithium lon Batteries GLOSSARY OF TERMINOLOGY FOR LITHIUM ION BATTERIES e Words Relating to the Characteristics of Batteries Energy Density The amount of energy that can be produced per unit mass or per unit volume Energy density is expressed in units of Wh kg Wh etc Overcharge Continued charging after the battery has reached a fully charged state Generally charging more than necessary is unsafe and will have a harmful influence on the performance of the battery Overdischarge Discharge of the battery below the established ending voltage Nominal Voltage The voltage that is used as the battery voltage listed on the battery Cycle Life An attribute that indicates the time it takes per charge and discharge cycle when the Characteristics battery is repetitively charged and discharged under specified parameters Time Ratio C This metric is used
5. 1000 1200 Capacity mAh Specifications Width 338 08mm Height 49 5 0 5mm 30 Charge Conditions Constant voltage constant current 4 2 V 600 mA max 2 hours 20 C Discharge Conditions Constant current 170 mA EOE 495 0 5mm_ Dimentions 6 5 0 3mm Weight Approx29g 1 After a fresh battery has been charged at con Ene o stant voltage constant current 4 2 V 600 mA max I 2 hours 20 C the average of the capacity ending py ZOI voltage of 3 V at 20 C that is discharged at a stan dard current 170 mA i DO GOO ano 2 Dimensions of a fresh battery Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 600 mA max 2 hours 20 C Current mA Voltage V Capacity mAh Panasonic 31 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP345010G CGP345010G Prismatic Model Discharge Characteristics Charge Conditions Constant voltage constant current 4 2 V 1000 mA max 2 hours 20 C Discharge Conditions Constant current up to 3 0V at 20 C External Dimensions mm 2 285mA i 1425mA 34 010 3 10 3 0 3 800 1000 1200 1400 1600 1800 Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 1000 mA max 2 hours 20 C Discharge Conditions Constant current 1425mA 45 G 20 C Y With Tube o o S o 800 1000 1200 1400 1600 1800 Capacity m
6. 5 4 3 2 1 0 0 2 3 4 5 3 4 Discharge Capacity Wh Period Month Charge Conditions Constant voltage constant current 4 2 V itions for 6 months from fully charged 910 mA max 2 hours 20 C Charge Conditions Constant voltage constant current 4 2 V 910 mA max 2 hours 20 C Discharge Conditions Constant current 260mA up to 3 0 V at 20 C o E Before Storage L TE LX A SS A After Storage N First Time Capacity Recovery After Storage a Second Time Capacity Recovery 400 600 800 1000 1200 1400 1600 Capacity mAh Voltage V Capacity mAh Current mA Charge Conditions Constant voltage constant current 4 2 V 910 mA max 2 hours 20 C Discharge Conditions Constant current 1300 mA up to 3 0V at Capacity mAh Number of Cycles Cycles Panasonic 20 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650H CGR18650H Cylindrical Model Discharge Characteristics 5 0 harge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C 5 Discharge Conditions Constant current up to 3 0 V a External Dimensions mm 2 18 310 5 800 1000 Capacity mAh With Tube 600 800 1000 1200 1400 1600 1800 Capacity mAh Specifications Nominal Voltage Standard Capacity 1500mAh 18 3 0 5mm Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge C
7. 5 ID code 6 Other 7 Charge function 1 Not required 2 Required Panasonic 33 Lithium lon Batteries CHARGER SPECIFICATION CHECKLIST Charger Specification Checklist Fill in the blanks below to determine specifications when making inquiries or when ordering 1 General 1 Startof Delivery 2 Delivery Destination 3 Operating Temperature 4 Ambient Humidity Special Conditions for Use 5 6 Applicable Specifications 7 Applicable Recipient 8 Application 2 Basic Specifications 1 Battery Pack Compatibility Month Year Number of units per month Total volume units 1 Domestic 2 Overseas Name of country 1 Standard where standard is 0 C to 45 C 2 Custom C to C 1 Standard where standard is 45 to 85 non condensing 2 Custom to 1 No 2 Yes 1 Automotive 2 Outdoors 3 Other 1 1 1 3 Electrical Appliance and Material Control Law 2 UL 3 Other Customer 2 Panasonic 3 Other Portable telephone 2 AV equipment Personal computer 4 Other 17500 17670HC 18650 1 8650H 1 8650HM 1 8650HG 30486 34506 34501 0 345010G Px S5 FG 1 Present ___ 2 Absent 2 Charging Method 1 Fast 2 Standard 3 Other 3 Charge Current A Contact Panasonic regarding charging conditions 4 Charge Time hours 5 Charger Model Pocket Type 1 Unit 2 Units Other 6 Display LED N
8. Discharge Characteristics Charge Conditions Constant voltage constant current 4 2 V 1170 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Voltage V Current A Current Capacity Wh Charge Conditions Constant voltage constant current 4 2 V 1170 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage s lt g E E o Current 5 0 Charge Conditions Constant voltage constant current 4 2 V 1170 mA max 2 hours 20 C Voltage V Capacity mAh Current mA Panasonic 26 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP30486 CGP30486 Prismatic Model Discharge Characteristics External Dimensions mm 2 Charge Conditions Constant voltage constant current 4 2 V 450 mA max 2 hours 20 C Discharge Conditions Constant current up to 3 0V at 20 C 29 8 1 0 3 i 1280mA 64 03 EDS 100 200 300 400 500 600 700 800 900 1000 Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 450 mA 2 hours 20 C Discharge Conditions Constant current 130 mA 10 C Vv With Tube 100 200 300 400 500 Capacity mAh Specifications Nominal Voltage Standard Capacity 680mAh i Width 29 8 0 3mm a Charging Conditions Constant voltage constant current 4 2 V Dimentionse Height 47 5 0 5mm a s 450 MA max
9. 2 hours 20 C l 6 4 0 3mm Discharge Conditions Constant current 640mA Weight Approx 23g 40 1 After a fresh battery has been charged at con 35 stant voltage constant current 4 2 V 450 mA max 3 0 2 hours 20 C the average of the capacity ending S voltage of 3 V at 20 C that is discharged at a stan aa dard current 130 mA 0 400 200 300 400 500 600 700 800 900 1000 2 Dimensions of a fresh battery Capacity mAh Charge Characteristics Charge Conditions Constant voltage constant current 4 2V 450 mA max 2 hours 20 C Capacity Voltage Capacity mAh Voltage V Current E e 5 Panasonic 27 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP30486 Cycle Life Characteristics Storage Characteristics Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 450 mA max 2 hours 20 C Discharge Conditions Constant current 130 mA up to 3 0V at 20 C Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 450 mA max 2 hours 20 C Discharge Conditions Constant current 640 mA up to 3 0V at 20 C Charge Discharge Rest Period 20 min Capacity Recovery Ratio 0 200 300 5 6 Number of Cycles Cycles Length of Storage Months Storage Conditions Fully charged 20 C Charging Conditions Constant voltage constant current 4 2 V 450 mA max 2 hou
10. 20 C w z Current Capacity Recovery Ratio oo 2 3 4 5 3 4 Discharge Capacity Wh Period Month Voltage V Capacity mAh Current mA Panasonic 24 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650HG CGR18650HG Cylindrical Model Discharge Characteristics External Dimensions mm 2 5 0 harge Conditions Constant voltage constant current 4 2 V 1190 mA max 2 hours 20 C 5 Discharge Conditions Constant current up to 3 0 V at 20 C 18 3 10 5 800 1000 1200 1400 1600 1800 2000 Capacity mAh 5 0 Charge Conditions Constant voltage constant current 4 2 V 1190 mA max 2 hours 20 C g With Tube 800 1000 1200 1400 1600 1800 2000 Capacity mAh Specifications Nominal Voltage Standard Capacity 1800mAh Dimentions o TE 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 1190 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan Current dard current 340 mA l 2 Dimensions of a fresh battery Charge Conditions Constant voltage constant current 4 2 V 1190 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage V lt E o E 5 oO Capacity Wh Panasonic 25 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650HG
11. Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17500 CGR17500 Cylindrical Model Discharge Characteristics External Dimensions mm 2 17 0 550 mA max 2 hours 20 C Discharge Conditions Constant current up to 3 0V at 20 C Capacity mAh 49 5 2 0 5 i Y With Tube Specifications Nominal Voltage Standard Capacity 830mAh Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA 17 071 mm Dimentions 2 Height 49 5 0 5mm Weight Approx 25g Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C 1 After a fresh battery has been charged at con 4 5 Discharge Conditions Constant current 780mA stant voltage constant current 4 2 V 550 mA max CEE E E es 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 156 mA 2 Dimensions of a fresh battery Capacity mAh arge Conditions tage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Voltage V Current 1 5 2 0 2 5 3 0 3 5 Discharge Capacity Wh Panasonic 15 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17500 Discharge Characteristics Storage Characteristics oo So g
12. V Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 910 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0V at 20 C Voltage 3 z o ped D c E S Current Discharge Capacity Wh Panasonic 19 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650 Discharge Characteristics Storage Characteristics Charge Conditions Constant voltage constant current 4 2 V 910 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C oo eo O 20 C RETENTION a o o o Voltage D o o Voltage V Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 910 mA max 2 hours 20 C Discharge Conditions Constant current 260 mA up to 3 0V at 20 C Current fs Capacity Retention Ratio NM e gt 0 oo 2 3 4 5 3 4 Discharge Capacity Wh Period Month S ge Condit g 4 2 V 910 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C 20 C RECOVERY te Voltage o o o Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 910 mA max 2 hours 20 C Discharge Conditions Constant current 260 mA up to 3 0V at 20 C Current Capacity Recovery Ratio e 0 9 8 7 60
13. to indicate the magnitude of the electrical current during charge or discharge It is indicated in terms of a multiple of a value that indicates the capacity of the battery and the value is expressed in units of electrical current Generally the electrical current for charge or discharge is expressed in terms of a multiplier of C For example if the capacity is 1500 mAh we have the following 0 1 C 0 1 x 1500 mA 150 mA 0 2 C 0 2 x 1500 mA 300 mA Self Discharge The amount to which the capacity of the battery is reduced without there being any current discharged through an external circuit Ending Voltage The voltage that indicates the limit at which to stop the electrical discharge This voltage roughly corresponds to the limit for use in practical applications Amount of Charge This is the amount of electricity that is used in charging the battery When there is the specified current during charge this is the integral of the current value over the charging time The units are ampere hours Ah High Current This refers to a discharge that has a large electrical current relative to the capacity of Discharge the battery This is also known as high rate discharge Standard Capacity The standard value for the amount of electricity that can be used from a completely charged battery at the standard temperature with a standard discharge current to the ending voltage The units are ampere hours Ah Unused Battery An unused battery re
14. voltage of 3 V at 20 C that is discharged at a stan dard current 240 mA 2 Dimensions of a fresh battery l 600 800 Capacity mAh Voltage V arge Conditions tage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Voltage V Current A Current Discharge Capacity Wh Panasonic 17 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17670HC Discharge Characteristics Storage Characteristics arge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C o o oo 20 C RETENTION x oo Voltage D O O Voltage V is Storage Conditions Fully charged Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant current 240 mA up to 3 0V at 20 C Current oO Current A Capacity Retention Ratio o ka oo 2 3 4 3 4 Discharge Capacity Wh Period Month oo oo ge Condit 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C 20 C RECOVERY o is q o ao oo Voltage V A Storage Conditions Fully charged Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge
15. 1 I 1 1 Insulation Plate e Safety Panasonic s lithium ion batteries CGR17500 CGR17670HC CGR18650 CGR18650H CGR18650HM CGR18650HG CGP30486 CGP34506 CGP345010 and CGP345010G have obtained UL1642 approval Panasonic 6 Lithium lon Batteries OVERVIEW THE LITHIUM ION BATTERIES CONTINUED e Battery Reaction The lithium ion battery makes use of lithium cobalt oxide which has superior cycling properties at high volt ages as the positive electrode and a highly crystallized specialty carbon as the negative electrode It uses an organic solvent optimized for the specialty carbon as the electrolytic fluid The chemical reactions for charge and discharge are as shown below Charge Positive Electrode LiCoOz e Lix CoO2 xLi xe Discharge Charge Negative Electrode C xLi xe q gt CLix Discharge Charge Battery as a Whole LiCoO2 C _ _ _ Lit x CoO2 CLix Discharge The principle behind the chemical reaction in the lithium ion battery is one where the lithium in the positive electrode lithium cobalt oxide material is ionized during charge and moves from layer to layer in the negative electrode During discharge the ions move to the positive electrode and return to the original compound Schematic Diagram of the Chemical Reaction of the Lithium lon Battery Positive Electrode Negative Electrode A go Discharge LiCoO2 Specialty Carbon Panasonic 7 Lithium lon Batteries F
16. 2000 Panasonic Lithium lon Batteries Technical Handbook I Sas Sz EE EEE EEE m Lo ES SE RES ss E CDS DTD E l e Es eos O ee lr ke OR a ke RS i aE UR ms M OLS ra ua EE SS 7 DA ooo o mo International English NOTICE TO READERS It is the responsibility of each user to ensure that each battery application system is adequately designed safe and compatible with all conditions encountered during use and in conformance with existing standards and requirements Any circuits contained herein are illustrative only and each user must ensure that each circuit is safe and otherwise completely appropriate for the desired application This literature contains information concerning cells and batteries manufactured by Matsushita Battery Industrial Co Ltd This information is generally descriptive only and is not intended to make or imply any representation guarantee or warranty with respect to any cells and batteries Cell and battery designs are subject to modification without notice All descriptions and warranties are solely as contained in formal offers to sell or quotations made by Matsushita Battery Industrial Co Ltd Panasonic Sales Companies and Panasonic Agencies LITHIUM ION BATTERIES TABLE OF CONTENTS Lithium lon Batteries Table of Contents Notes and Precautions ssusssnnsennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nannamamma 2 Safety Precautions for the Lithium lon Batte
17. 3 0V at 20 C Capacity mAh Voltage V SR Before Storage After Storage First Time Capacity Retention NM After Storage Second Time Capacity Recovery E 400 600 Capacity mAh Current mA Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 780 mA up to 3 0V at 20 C Charge Discharge Rest Period 20 min 200 300 Number of Cycles Cycles Panasonic 16 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17670HC CGR17670HC Cylindrical Model Discharge Characteristics i 5 0 Charge Conditions Constant voltage constant current 4 2 V External Dimensions mm 2 17 0 290 840 mA max 2 hours 20 C Discharge Conditions Constant current up to 3 0V at 20 C 800 1000 1200 Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant With Tube Capacity mAh Specifications Nominal Voltage Standard Capacity 1250mAh Dimentions 2 Height 66 7 0 3mm Weight Approx 35g Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C i ge Conditions Constant current 1200 mA 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 840 mA max 2 hours 20 C the average of the capacity ending
18. Ah id 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 1000 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 285 mA Svagt 2 Dimensions of a fresh battery i Charge Conditions Constant voltage constant current 4 2 V 1000 mA max 2 hours 20 C Capacity Voltage Capacity mAh Current mA Panasonic 32 Lithium lon Batteries BATTERY PACK SPECIFICATION CHECKLIST Battery Pack Specification Checklist Fill in the blanks below to determine specifications when making inquiries or when ordering batteries 1 Battery Pack General 1 Schedule 1 Completion of design evaluation Month Year 2 Completion of mass production evaluation Month Year 3 Start of delivery Month Year 2 Number of units k packs per month Total volume k packs 3 Delivery Destination 1 Domestic 2 Overseas Name of country 4 Operating Temperature 1 Standard where the standard is 0 C to 45 C 2 Custom C to C 5 Ambient Humidity 1 Standard where standard is 45 to 85 non condensing 2 Custom to 6 Special Conditions for Use 1 No 2 Yes 1 Automotive 2 Outdoors 3 Other 7 Applicable Specifications 1 Electrical Appliance and Material Control Law 2 UL 3 Other 8 Applicable Recipient 1 Cu
19. Conditions Constant current 240 mA up to 3 0V at 20 C wo o Current N Current A Capacity Recovery Ratio 10 2 3 4 9 3 4 Discharge Capacity Wh Period Month Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Voltage V Capacity mAh Current mA Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant current 1200 mA up to Capacity mAh Number of Cycles Cycles Panasonic 18 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650 CGR18650 Cylindrical Model Discharge Characteristics 5 0 A harge Conditions Constant voltage constant current 4 2 V External Dimensions mm 2 910 mA max 2 hours 20 C Discharge Conditions Constant current up to 3 0 V at 20 C 18 3 10 5 lt lt E 2600mA Capacity mAh ones FD mn 000 1200 1400 1600 With Tube 800 1000 1200 1400 1600 Capacity mAh Specifications Nominal Voltage Standard Capacity 1400mAh 78 3 0 5mm Height 63 20 5mm Weight Approx 38g Dimentions 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 910 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 260 mA 2 Dimensions of a fresh battery Voltage
20. EATURES OF THE LITHIUM ION BATTERIES e High Energy Density Because the lithium ion batteries are high voltage light weight batteries they boast a higher energy density than rechargeable nickel cadmium Ni Cd batteries or nickel metal hydride Ni MH batteries Lithium lon Batteries Mass Energy Density Wh kg 150 200 250 300 350 400 Volumetric Energy Density Wh e High Voltage Lithium ion batteries produce 3 7 volts approximately three times the voltage of rechargeable Ni Cd batteries or Ni MH batteries This will make it possible to Nica 0 Nica 0 Nica 0 make smaller lighter equipment Ciro G e No Memory Effect Lithium ion batteries have none of the memory effects seen in rechargeable Ni Cd batteries Battery CGR17500 zz memory effect refers to the phenomenon i S where the apparent discharge capacity of a Me Rs battery is reduced when it is repetitively ade 250 cycles discharged incompletely and then recharged 2 5 Charge Constant voltage 4 1 V witha i Discharge 133 mA at 20 C maximum of 500 mA current for two hours at 20 C Discharge 133 mA completed after two hours at 20 C 4 Hold Time h e Flat Discharge Voltage The use of the specialty carbon creates an extremely flat discharge voltage profile allowing i Doo ischarge the production of stable power throughout the discharge period of the battery Lo ee ee y J m Panasonics Specialty a ee a er ee
21. action they are actually considered a chemical product As such battery performance will deteriorate over time even if stored for a long period of time without being used In addition if the various usage conditions such as charge discharge ambient temperature etc are not maintained within the specified ranges the life expectancy of the battery may be shortened or the device in which the battery is used may be damaged by electrolyte leakage If the batteries cannot maintain a charge for long periods of time even when they are charged correctly this may indicate it is time to change the battery 7 Please Note The performance and life expectancy of batteries depends heavily on how the batteries are used In order to insure safety be sure to consult with Panasonic in advance regarding battery charging and discharging specifications and equipment structures when designing equipment that includes these batteries Please Note Panasonic assumes no liability for problems that occur when the Notes and Precautions for use listed above are not followed Panasonic 3 Lithium lon Batteries SAFETY PRECAUTIONS FOR THE LITHIUM ION BATTERY PACK e Safety Warnings 1 When Using the Battery A WARNING 1 Misusing the battery may cause the battery to get hot explode or ignite and cause serious injury Be sure to follow the safety rules listed below e Do not place the battery in fire or heat the battery e Do not install the batter
22. ag 4 2V 945 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Voltage V Current A Current 5 Discharge Capacity Wh Panasonic 29 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP345010 Discharge Characteristics Cycle Life Characteristics arging Conditions tage constant current 4 2 V 945 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Voltage V Current A Capacity mAh Charge Conditions Constant voltage constant current 4 2 V Current 945 mA max 2 hours 20 C 7 5 200 300 Discharge Capacity Wh Number of Cycles Cycles Charge Conditions Constant voltage constant current 4 2 V 945 mA max 2 hours 20 C Capacity Voltage Voltage V Capacity mAh Current mA Panasonic 30 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP34506 CGP34506 Prismatic Model Discharge Characteristics External Dimensions mm 2 Charge Conditions Constant voltage constant current 4 2 V 600 mA max 2 hours 20 C Discharge Conditions Constant current at 20 C Voltage V 33 8 0 3 2 E 1700mA 6 510 3 __ 800 Capacity mAh arge Conditions Constant voltage constant current 4 2 V 600 mA max 2 hours 20 C Discharge Conditions Constant current 850 mA ey With Tube Voltage V
23. age to the battery pack make sure that the battery pack is positioned away from heat sources in the equipment or in the battery charger 2 Mechanisms to Prevent Dropping Be sure to use a battery pack lock mechanism to prevent the battery pack from being ejected when the equipment is dropped or receives a sudden impact 3 Preventing Short Circuits and Reversed Connections Use a terminal structure that makes it unlikely that the terminals will be shorted by metallic necklaces clips hairpins etc Structure the battery and the terminals to the battery in such a way that the battery pack cannot be put in backwards when installed in the charger or the equipment 4 Inclusion in Other Equipment If the battery is built into other equipment use caution to strictly avoid designing airtight battery compart ments 5 Terminal Materials in the External Equipment Use materials that are highly resistant to corrosion such as nickel or nickel coated copper If contact resistance is an issue we recommend that you use contact plating such as gold plating on the terminals 4 Storing the Batteries The batteries should be stored at room temperature charged to about 30 to 50 of capacity We recommend that batteries be charged about once per year to prevent overdischarge 5 Use of the Batteries See the section on Safety Precautions for the Lithium lon Battery Pack 6 Other The Chemical Reaction Because batteries utilize a chemical re
24. arged at a stan dard current 320 mA 2 Dimensions of a fresh battery f 800 1000 1200 1400 1600 1800 2000 Capacity mAh Dimentions 1120 mA max 2 hours 20 C Discharge Conditions 1600mA constant current Voltage V Charge Conditions Constant voltage constant current 4 2 V 1120 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C 2W Current A Capacity Wh Panasonic 23 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650HM Discharge Characteristics Storage Characteristics Charge Conditions Constant voltage constant current 4 2 V 1120 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C oo So 20 C RETENTION t2 yo So D o O O Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 1120 mA max 2 hours 20 C Discharge Conditions Constant current 320 mA up to 3 0V at 20 C Current is Voltage V Current A Capacity Retention Ratio NM e pu oo 3 4 3 4 Capacity Wh Period Month oo O 20 C RECOVERY te o aag oo 6 o fe S S Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 1120 mA max 2 hours 20 C Discharge Conditions Constant current 320 mA up to 3 0V at
25. e Conditio 4 2 V 550 mA max 2 hours 20 Fo Discharge Conditions Constant wattage up to 3 0 V at 20 C 20 C RETENTION fo O Voltage fo Voltage V Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA up to 3 0V at 20 C Current is Current A Capacity Retention Ratio gt My wohaAADN OD fo oo 0 5 1 0 1 5 2 0 2 5 3 0 3 5 t 3 4 Discharge Capacity Wh Period Month o S ge Conditi g 4 2 V 550 mA max 7 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C o 20 C RECOVERY o te q z Voltage ao Voltage V ES Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA up to 3 0V at 20 C w f Current Capacity Recovery Ratio DS 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 dl 3 4 Discharge Capacity Wh Period Month Charge Conditions Constant voltage constant current Storage Conditions 20 C for 6 months from fully charged 4 75 550 mA max 2 hours 20 C Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA up to
26. ent DP TT Do S TIrmel o 7 po to oe e E e t e E E Current gt Duration 1 Charge Voltage The maximum voltage is 4 2 V x the number of cells connected in series 2 Charge Current We recommend 0 7 CmA When the voltage per cell is 2 9V or less charge using a charge current of 0 1CmA or less Contact Panasonic for information regarding pulse charging 3 Charge Temperature The batteries should be charged at temperatures between 0 C and 45 C 4 Reverse polarity Charging Verify the polarity of the batteries before charging to insure that they are never charged with the polarity reversed 2 Discharging the Batteries 1 Discharge Current The current should be maintained at 1 0 CmA or less Consult Panasonic if you plan to discharge the batteries with a current in excess of 1 0 CmA 2 Discharge Temperature The batteries should be discharged at a temperature between 20 C and 60 C Consult Panasonic if you plan to discharge the batteries at temperatures less than 10 C 3 Discharge Termination Voltage Avoid discharging at voltages less than 3 0 V per cell Overdischarge can damage the performance of the battery Equip the unit with a mechanism to prevent overdischarge especially in situations where the user may forget to turn the equipment off Panasonic 2 Lithium lon Batteries NOTES AND PRECAUTIONS CONTINUED 3 Equipment Design 1 Installing Battery Packs in the Equipment To avoid dam
27. fers to a battery that has been charged and discharged five or less times within one month of manufacturing Capacity This is the electrical ability of the battery Normally this refers to ampere hours of capacity and the units are either Ah or C coulombs Capacity Retention If the standard capacity is indexed to 100 this is the capacity ratio when the battery Ratio is first discharged under specified conditions after it has been stored for a specified period of time Capacity Recovery lf the standard capacity is indexed to 100 this is the maximum capacity ratio that Ratio can be obtained after repetitively charging and discharging the battery under specified conditions after it has been stored a specific period of time Fluid Leakage This refers to the leakage of electrolytic fluid to the outer surface of the battery Panasonic 13 Lithium lon Batteries SPECIFICATION SUMMARY TABLE Specifications Typical Nominal Diameter Thickness Approx Model Number Stage v Rec Width mm mm Weight 9 a 170 495 05 2 CGRI767OHC Paso ss 667403 35 CGR18650 o 632405 3 Cylindrical CGR18650H 1500 Basos e03 40 EDCGR18650HM eso 647403 41 WaPCGR18650HG i 1800 647 03 42 CGP30486 29 8 0 3 47 5 0 5 6 4 0 3 33 8 0 3 49 5 0 5 6 5 0 3 Prismatic Y CGp345010 1400 340403 498205 103 03 EDCGP345010G 1500 49 8 0 5 10 3 03 Panasonic 14
28. n the specified charging time Doing so may cause the battery to become hot explode or ignite Panasonic 4 Lithium lon Batteries SAFETY PRECAUTIONS FOR THE LITHIUM ION BATTERY PACK CONTINUED CAUTION The temperature range over which the battery can be charged is 0 C to 45 C Charging the battery at temperatures outside of this range may cause the battery to become hot or to break Charging the battery outside of this temperature range may also harm the performance of the battery or reduce the battery s life expectancy Ed When Discharging the Battery WARNING Do not discharge the battery using any device except for the specified device When the battery is used in devices aside from the specified device it may damage the performance of the battery or reduce its life expectancy and if the device causes an abnormal current to flow it may cause the battery to become hot explode or ignite and cause serious injury A CAUTION The temperature range over which the battery can be discharged is 20 C to 60 C Use of the battery outside of this temperature range may damage the performance of the battery or may reduce its life expectancy To insure the safe use of this battery contact Panasonic when designing a device that uses this battery Panasonic 5 Lithium lon Batteries OVERVIEW OF LITHIUM ION BATTERIES Meeting the Needs of Portable Electronic Devices Lithium lon Batteries g Panasonic lithi
29. o of Units 7 Power Supply Voltage ____V __Hz Range of Fluctuation Vto V Hzto Hz 8 Dropstrength cm 9 Dimensions width x length x height mm or less 10 Weight gorless 11 Label 1 Not required 2 Required Details of label Panasonic 34 Lithium lon Batteries MEMO Panasonic 35 Lithium lon Batteries MEMO Panasonic 36 Lithium lon Batteries For more details please contact Matsushita Battery Industrial Co Ltd OEM Sales Division 11 66 Honsyuku cho Chigasaki Kanagawa Japan Postal code 253 8567 Fax 81 467 53 4210 http www panasonicoembatteries com Specifications are subject to change without notice for further improvement Contents valid as of September 2000 Printed in Japan
30. oise filter at the voltage detectors in the block diagram above to insure that outside noise does not cause the battery to malfunction Please check against the final product e Please include a total charge timer and a charge completion timer on the charging circuit in order to provide redundant safety control Panasonic 10 Lithium lon Batteries HOW TO CHARGE THE BATTERIES We recommend the following charging process to insure the optimal performance of the lithium ion battery e Applicable Battery Packs The discussion below assumes that the battery packs are equipped with internal safety circuits to prevent overcharging and overdischarging and assumes that the battery is a single cell battery e Charging Method The lithium ion battery can be charged by the constant voltage constant current charging method found in the Notes and Precautions at the beginning of this document See page 2 Notes and Precautions e Functions and Performance Required in the Charger Recommendations 1 Charge Voltage The voltage between the charging terminals should be no more than 4 20 V Set this at 4 20 V max after taking into account fluctuations in power supply voltages temperature deviations etc 2 Charge Current The reference charge current should be 0 7 CmA 3 Ambient Temperature of the Battery Pack During Charge 0 C to 45 C Consult Panasonic if the battery pack is to be used outside of this temperature range 4 Lo
31. onditions Constant current 1400 mA Dimentions Height 64 7 0 3mm Weight Approx 40g 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 980 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 280 mA 2 Dimensions of a fresh battery Voltage V Capacity mAh arge Conditions 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage V Current A Current Discharge Capacity Wh Panasonic 2 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650H Discharge Characteristics Storage Characteristics oo e o arge Condition 4 2 V 980 mA max 2 hours 20 6 Discharge Conditions Constant wattage up to 3 0 V at 20 C 20 C RETENTION xa qo So Voltage D o o Voltage V Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current 280 mA up to 3 0V at 20 C Current fo Current A Capacity Retention Ratio Mews nn te oo 3 4 5 3 4 Discharge Capacity Wh Period Month o S ge Con 4 2 V 980 mA ee 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C o 20 C RECOVERY o
32. ram of a lithium ion battery pack The battery pack includes the batteries the safety circuits and thermistors 1 The Safety Circuits 1 1 The Controller IC The controller IC measures the voltage for each cell or for each parallel battery block and shuts off a control switch to either prevent overcharging if the voltage exceeds the specified voltage range or to prevent overdischarging if the voltage falls below the specified voltage range Moreover the voltage of the control switch is measured on both ends and in order to prevent overcurrent both control switches are shut off if the voltage exceeds specifications 1 2 The Control Switches The control switches usually comprise FET structures and they turn off the charge or discharge depending on the output of the controller IC 1 3 The Temperature Fuse Reference Materials If the control switches experience abnormal heating this fuse cuts off the current non restoring 2 The Thermistors The thermistors are included in order to accurately measure the battery temperature within the lithium ion battery packs The battery or charger measures the resistance value of the thermistor between the T terminal and the negative terminal and during the charging process controls the charge current along with controlling until the charge is terminated Battery Pack Safety Circuits Controller IC i Temperature Fuse J Control SW Control SW e The battery pack must be equipped with a n
33. rs 20 C Discharge Conditions Constant current 130 mA up to 3 0V at 20 C g o w am q o G G Cc g f gt oO f o oI 6 4 5 6 7 Length of Storage Months Panasonic 28 Lithium lon Batteries LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP345010 CGP345010 Prismatic Model Discharge Characteristics Charge Conditions Constant voltage constant current 4 2 V 945 mA max 2 hours 20 C 4 5 Discharge Conditions Constant current up to 3 0V at 20 C a External Dimensions mm 2 Voltage V 10 3 20 3 200 400 600 800 1000 1200 1400 1600 Capacity mAh harging Conditions Constant voltage constant current 4 2 V 945 mA max 2 hours 20 C Discharge Conditions Constant current 1350 mA Ltt I tT pops AT Sg 400 600 a alas 1200 1400 1600 Capacity mAh Y With Tube Voltage V Specifications ph _ _34 0 9 3mm_ Bitnar Weight Approx 42g 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 945 mA max 2 hours 20 C the average of the capacity ending Current voltage of 3 V at 20 C that is discharged at a stan dard current 270 mA 2 Dimensions of a fresh battery Discharge Capacity Wh ge Conditions ge constant current 4 2V 945 mA max 2 hours 20 co Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Voltage V Current A arge Conditio
34. ry Pack 4 Overview of Lithium lon Batteries ss ossos 6 Features of Lithium lon Batteries ss osso 8 Overcharge Overdischarge Overcurrent Safety Circuits 9 How to Charge the Batteries cc eccsssseeeeeeeeeeeeeeeeeneeeeeeeees 11 e Flowchart for Charging the Lithium lon Battery Packs Glossary of Terminology for Lithium lon Batteries 13 Specification Summary Table cccsecseseeeeseeeeeseeeeeeeseeeeeeeeeneeees 14 Individual Data Sheets cccccesenceeensseeeeesseeeesseeeeeseneeeseeeenenenens 15 Battery Pack Specification Checklist 33 Charger Specification Checklist ss ss ssa 34 Panasonic 1 Lithium lon Batteries NOTES AND PRECAUTIONS e Safety Precautions for the Lithium lon Battery Pack Use of Lithium lon Batteries and the Design of Equipment That Uses These Batteries In general lithium ion batteries are used in battery packs that contain both lithium ion batteries and battery protection circuits Both items are sealed in a container made of a material such as resin so that the battery pack cannot be easily disassembled 1 Charging the Batteries The constant voltage constant current method is used to charge lithium ion batteries See Figure below Schematic diagram of the charging process assuming a single cell Constant voltage constant curr
35. stomer 2 Panasonic 3 Other 9 Application 1 Portable telephone 2 AV equipment 3 Personal computer 4 Other 10 FG Fuel Gauge 1 Required 2 Not required if required fill in item 3 2 Battery Pack Basic Specifications 1 Battery Pack Configuration 1 Hard case 2 Soft pack 3 Other 2 Battery Pack Materials Specify 3 Battery amp Structure Used 17500 17670HC 18650 18650H 1 8650HM 1 8650HG 30486 34506 34501 0 345010G Co Px_ S 4 Rated Capacity mAh 5 Charging Method 1 Fast 2 Standard 3 Other 6 Charge Current A 7 Charge Time hours 8 Discharge Ending Voltage V 9 Thermistor 1 Standard Present Absent Standard 10 KW 25 C 2 Other 10 Drop Strength 1 Present cm 2 Absent 11 Flame Retardance Requirements 1 Present 2 Absent 12 Dimensions width x length x height mm or less 13 Weight g or less 14 Label 1 Not required 2 Required Details of label specified elsewhere 15 Terminal Configuration 3 Fuel Gauge Specifications 1 Range of load currents mA to mA 2 Load current waveform 1 Wave height mA 2 Conductive period mSec 3 Stop period mSec 3 Accuracy 1 10 2 5 3 Other 4 Display method 1 LED 2 Communications 3 LED and communications communications method 5 Mode change 1 Not required 2 Required Modes suspend etc 1 2 6 Communications data 1 Remainder 2 Voltage 3 Current 4 Temperature
36. um ion batteries products of Panasonic s long experience with batteries and leading edge battery technology are excellent sources for high energy power in a variety of portable devices such as por table computers and cellular phones Light weight and boasting high voltage ratings 3 7 V these high energy density batteries provide a variety of features that will contribute to the weight reduction and downsizing of portable products 7 uo 17 otuoseuea uor 3luoseu uor E Ed news Ed dIuoseu JIUOSeLU dtuoseu e Overview e Structure The lithium ion battery has a three layer coiled The Structure of Lithium lon Batteries Cylindrical structure within its case These three layers are comprised of a positive electrode plate made with lithium cobalt oxide as its chief active ingredient a negative electrode plate made with a specialty carbon as its chief active ingredient and a Gasket separator layer Positive Terminal Exhaust Gas Hole PTC Element Anti Explosive Valve a Positive Terminal Lead Separators Insulation Plate 1 at al Negative Electrode The battery is equipped with a variety of measures to insure safety along with an anti explosion valve that releases gas if the internal pressure exceeds a specific value thereby preventing the battery from explodeing a Negative Terminal Lead eee TTETET L Positive Electrode 1 F 1 1 1 4 H I 1 1 I 1 1 I
37. w Voltage Battery Pack Charge When the voltage per cell is 2 9 V or less charge using a charge current of 0 1 CmA or less 5 Termination of Charging The system will determine that the battery is full by detecting the charge current Stop charging once the current has reached 0 1 CmA to 0 07 CmA Note that there will be some degree of variation for each individual battery 6 Charge Timer A total charge timer and a charge completion timer should be included 7 Countermeasures for Battery Problems Select an overvoltage guard in the power supply so that there will be no excessive voltage applied to the battery even if there is a problem with the power supply e The discussion above assumes a single cell battery If two or more cells will be used or if there are other situations please consult with Panasonic Panasonic 11 Lithium lon Batteries FLOWCHART FOR CHARGING THE LITHIUM ION BATTERY PACKS Lithium lon Battery Pack Charge Flowchart Example Reference example of charging a single cell lithium ion battery pack OCV Battery pack load open voltage START ve P 9 Ti Charge total timer count i Low temperature threshold setting value Battery pack insertion check Battery temperature High temperature threshold setting value Constant voltage YES i Charge current A i Electrical current set value i Electrical current set value Charge complete timer count Recharge timer count Total timer end decision
38. y backwards so that the polarity is reversed e Do not connect the positive terminal and the negative terminal of the battery to each other with any metal object such as wire Do not carry or store the batteries together with necklaces hairpins or other metal objects Do not pierce the battery with nails strike the battery with a hammer step on the battery or otherwise subject it to strong impacts or shocks e Do not solder directly onto the battery e Donotexpose the battery to water or salt water or allow the battery to get wet 2 Do not disassemble or modify the battery The battery contains safety and protection devices which if damaged may cause the battery to generate heat explode or ignite 3 Do not place the battery on or near fires stoves or other high temperature locations Do not place the battery in direct sunshine or use or store the battery inside cars in hot weather Doing so may cause the battery to generate heat explode or ignite Using the battery in this manner may also result in a loss of performance and a shortened life expectancy A CAUTION 1 If the device is to be used by small children the caregiver should explain the contents of the user s manual to the children The caregiver should provide adequate supervision to insure that the device is being used as explained in the user s manual 2 When the battery is worn out insulate the terminals with adhesive tape or similar materials before disposal
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