La Crosse Technology BC-900 User's Manual
Contents
1. DISCHARGE REFRESH Table 4 Various displays in Charge Mode Stage in Various displays aes oe by pressing DISPLAY Charge Current i Time Capacity mode Voltage V may hh mm mAh Ah During Charging charging Instantaneous current Charging Full stage Battery Trickle time poeta voltage charging elapsed pacity current Table 5 Various displays in Discharge Mode Stage in Various displays toggled by pressing DISPLAY key Discharge Current Time Capacity mode Voltage V mA hh mm mAh Ah During Discharging Discharging A discharging Inst hangous current time elapsed discharging During Battery Charging charging voltage curen Charging Accumulated Full stage charging time elapsed capacity current Table 6 Various displays in Refresh Mode Stage in Various displays toggled by pressing DISPLAY key Refresh Voltage V Current Time Capacity mode g mA hh mm mAh Ah i During Instantaneous Discharging Discharging Capacity discharging Battery c rrent time elapsed during processes voltage discharging During Instantaneous F Capacity charging Battery Charging i Charging determined in processes voltage current time elapsed last time discharging Maximum Instantaneous Trickle Elapsed time battery Full stage Battery charging of last capacity voltage current discharging determin2. repairs covered by this warranty If necessary repairs are not covered by this warranty or if a product is examined which is not in need or repair you will be charged for the repairs or examination The owner must pay any shipping charges incurred in getting your La Crosse Technology Ltd product to a La Crosse Technology Ltd authorized service center La Crosse Technology Ltd will pay reasonable return shipping charges to the owner of the product Your La Crosse Technology Ltd warranty covers all defects in material and workmanship with the following specified exceptions 1 damage caused by accident unreasonable use or neglect including the lack of reasonable and necessary maintenance 2 damage occurring during shipment claims must be presented to the carrier 3 damage to or deterioration of any accessory or decorative surface 4 damage resulting from failure to follow instructions contained in your owner s manual 5 damage resulting from the performance of repairs or alterations by someone other than an authorized La Crosse Technology Ltd authorized service center 6 units used for other than home use 7 applications and uses that this product was not intended or 8 the products inability to receive a signal due to any source of interference This warranty covers only actual defects within the product itself and does not cover the cost of installation or removal from a fixed installation normal set up or adjustments claims bas
3. BATTERY CHARGER BC 900 Instruction Manual INTRODUCTION Congratulations on purchasing this intelligent charging unit which enables quick and optimum charging to AA and AAA rechargeable batteries With charging discharging refreshing and capacity test functions as well as individual LCD displays for charging compartments this charging unit is reliable user friendly and ideal for use in the home office or on a journey The Charging unit liad lea The charger is restricted to charging NiCd and NiMH rechargeable batteries only Never use this charger for other types of batteries such as alkaline lithium carbon zinc or other types that are not specified 2 The charging unit shall only be used at normal indoor room conditions 3 Always follow the charging instructions for the rechargeable battery Observe the recommended charging current of the rechargeable batteries Never use a charging current higher than recommended in the charging process 4 Never use any power cable and transformer other than those originally supplied with the charging unit 5 The rechargeable batteries may become hot during charging especially when a high charging current is chosen User shall take extra care when taking out the batteries after charging 6 Unplug the charging unit from the power source when not in use FEATURES The Charging unit Charging rechargeable battery in various current 200 500 700 or 1000 mA The charging current can be s
4. arging current is around 5 of the selected charging current to keep the rechargeable batteries full Full Full sign is shown The battery is fully charged Note The current cannot be altered once the setting has been confirmed in the initial stage This prevents the user from changing the current setting accidentally while doing setting on other rechargeable batteries If one wants to change the applied current afterward the rechargeable batteries must be taken out and inserted again The maximum charging current of the other rechargeable batteries are restricted by the current setting of the first inserted rechargeable battery For instance if the first inserted rechargeable battery is set to charge at 700 mA then the second third and fourth rechargeable batteries can be only set to charging at a maximum current of 700 mA Therefore the user is advised to place the battery with the highest expected charging current in Compartment 1 first To release the restriction of setting charging current user must take out all four rechargeable batteries from the charging unit To change the operating mode during charging one can press the MODE key for selecting all rechargeable batteries or NUMBER key then MODE key for selecting individual rechargeable battery Four 4 seconds after the last key press the LCD will blink one time to indicate the end of changing When overheating conditions occur over about 127 F 53 C usually due to t
5. ay change without prior notice This product is not a toy Keep out of the reach of children No part of this manual may be reproduced without written consent of the manufacturer WARRANTY INFORMATION La Crosse Technology Ltd provides a 1 year limited warranty on this product against manufacturing defects in materials and workmanship This limited warranty begins on the original date of purchase is valid only on products purchased and used in North America and only to the original purchaser of this product To receive warranty service the purchaser must contact La Crosse Technology Ltd for problem determination and service procedures Warranty service can only be performed by a La Crosse Technology Ltd authorized service center The original dated bill of sale must be presented upon request as proof of purchase to La Crosse Technology Ltd or La Crosse Technology Ltd s authorized service center La Crosse Technology Ltd will repair or replace this product at our option and at no charge as stipulated herein with new or reconditioned parts or products if found to be defective during the limited warranty period specified above All replaced parts and products become the property of La Crosse Technology Ltd and must be returned to La Crosse Technology Ltd Replacement parts and products assume the remaining original warranty or ninety 90 days whichever is longer La Crosse Technology Ltd will pay all expenses for labor and materials for all
6. change The subsequent pressing of the mode key will toggle between the Charge Discharge Test and Refresh mode Then the user may also select different discharging current by pressing the CURRENT key see Note in Discharge mode and Table 2 within 8 seconds after inserting the batteries Or the display will blink once to indicate the end of setting and the current cannot be changed afterward It may take up to several days to finish the refreshing process depending on the selected discharging current The maximum refresh current is 1000 mA and is not affected by the number of rechargeable batteries inserted TEST MODE In the Test mode the rechargeable batteries will first be fully charged and then discharged to determine the capacities Finally the rechargeable batteries are charged up again and the capacity in mAh of Ah will be estimated and shown after the discharging ends By pressing the MODE key within 8 seconds after inserting the rechargeable batteries the Test mode can be selected The mode key shall first be pressed and held for 1 second to activate the mode change The subsequent pressing of the mode key will toggle between the Charge Discharge Test and Refresh mode mm Li m The Charging current in mA Test mode Note After selecting the Test mode the user may select different charging currents in the Test mode by pressing the CURRENT key within 8 secon
7. damages observed in the adaptor and in case undesired smell comes out while applying the adapter in certain kinds of battery operated devices CARE AND MAINTENANCE Extreme temperatures vibration and shock should be avoided as these may cause damage to the unit When cleaning the displays and casings use a soft damp cloth only Do not wet the exposed metal part of the charging unit Do not use solvents or scouring agents as they may mark the LCD and casing Do not spill water to the charging unit Do not make any repair attempts to the units Return it to its original point of purchase for repair by a qualified engineer Opening and tampering with the units may invalidate its guarantee Do not expose the unit to extreme and sudden temperature changes this may lead to damage to the electronic parts in the unit SPECIFICATIONS Input voltage for AC DC adapter 100 240 VAC Charging current range 200 mA 1800 mA Max charging capacity capacity of rechargeable batteries 3000 mAh Dimensions H x W x D 5x 3x 1 5 129 x 75 x 37 2 mm LIABILITY DISCLAIMER The manufacturer and supplier cannot accept any responsibility for any improper or incorrect use and any consequences occur Any performance of repairs or alternations by someone other than the original supplier will invalidate the warranty This product is only designed to be used by people who have read and understood this instruction manual The specifications of this product m
8. ds after the batteries are inserted The afterward discharging current will be half of the selected charging current see Table 3 Table 3 TEST MODE Current User selected 1000 Charging current ZOO DR DOC aA 00 MA mA Thereafter Discharging 100 mA 250 mA 350 mA 500 mA current The maximum charging current is 1000 mA and is not affected by the number of rechargeable batteries inserted After the test mode is finished the display will shift between the Full sign and the battery capacity in mAh or Ah automatically in 3 second intervals until the rechargeable batteries are removed The user can switch to other displays by pressing the DISPLAY key onin Li Li Battery capacity displayed in mAh mAh as the checking is CHARGE finished in Test mode TEST TRICKLE CHARGING After the rechargeable battery is fully charged in any of the operating modes the charger will give a small amount of current to the rechargeable batteries to maintain the fully charged level This mode is automatically launched after rechargeable batteries are fully charged and kept in the charging unit The signal Full will be displayed on the LCD DISPLAY MODE INFORMATION The user can use different display modes to monitor the rechargeable battery condition during the different operations see below figure and Table 4 to 7 Different display modes are exhibited Charging current Time Voltage and Capacity
9. ed in discharging Table 7 Various displays in Test Mode Stage in Various disp lays toggled by pressing DISPLAY key Current Time Capacity Test mode Voltage V mA hh mm mAh Ah During Charging Charging mAh charging current time elapsed During Discharging Discharging Ga MAR discharging current time elapsed Capacity of During 2nd gi rea Charging 2ndcharging the battery charging voltage current time elapsed determined in discharging Capacity of Trickle i Discharging the battery Full stage Carona time elapsed determined in fe Nh f discharging Different operating modes The timer will be resumed and counted from 00 00 again after the time elapsed is longer than 20 hours For example 1 45 will be shown after the battery has been refreshed for 21 hr and 45 min THE SIZE C AND SIZE D BATTERY ADAPTERS FREE ACCESSORY The battery adapters are used for connecting the AA battery to devices requiring Size C or D batteries To apply the adapter 1 Install the AA battery into the Size C or Size D adapter as below The AA battery used with the The AA battery used with the Size D Size C adapter adapter it is required to place the battery into the C adapter first and then the D adapter 2 Ensure the polarity is correct and the assembling condition is good Note User shall stop using the adaptor when there are any cracks or
10. ed on misrepresentation by the seller or performance variations resulting from installation related circumstances LA CROSSE TECHNOLOGY LTD WILL NOT ASSUME LIABILITY FOR INCIDENTAL CONSEQUENTIAL PUNITIVE OR OTHER SIMILAR DAMAGES ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS PRODUCT THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR FOR PUBLIC INFORMATION THIS PRODUCT IS NOTA TOY KEEP OUT OF CHILDREN S REACH This warranty gives you specific legal rights You may also have other rights specific to your State Some States do no allow the exclusion of consequential or incidental damages therefore the above exclusion of limitation may not apply to you For warranty work technical support or information contact La Crosse Technology 2809 Losey Blvd S La Crosse WI 54601 Phone 608 782 1610 Fax 608 796 1020 e mail support lacrossetechnology com warranty work sales lacrossetechnology com information on other products web www lacrossetechnology com All rights reserved This handbook must not be reproduced in any form even in excerpts or duplicated or processed using electronic mechanical or chemical procedures without written permission of the publisher This handbook may contain mistakes and printing errors The information in this handbook is regularly checked and corrections made in the next issue We accept no liability for technical mistakes or printing errors or their consequenc
11. es All trademarks and patents are acknowledged
12. et up to 1500 or 1800 mAh when two batteries are charged Fast charging 70 mins to charge up 2000 mAh batteries Individual LCD display for all compartments Charging both AA and AAA rechargeable batteries simultaneously Overheat detection to protect rechargeable batteries from over charging Minus delta voltage dV detection for charge termination Damaged batteries detection Discharge mode first discharging and then charging to remove memory effect of rechargeable batteries Refreshing old rechargeable batteries by discharging charging cycles Test function to check the capacities of rechargeable batteries Charging Discharging functions can be launched independently and simultaneously to each rechargeable battery in the compartments Various display modes during charging discharging the charging current in mA time elapsed in hh mm the terminal voltage in V and accumulated capacities in mAh or Ah INVENTORY OF CONTENTS Charging unit Transformer Size C battery adapter 4 amp Size D battery adapter 4 Holding Bag AA rechargeable battery 4 amp AAA rechargeable battery 4 Instruction Manual OWT GO NOS FUNCTION KEYS There are three easy to use function keys and four number keys on the charging unit a a s C Number keys azg u ez atal CURRENT key f gt MODE key DISPLAY Compartment Number key Press and release the Nu
13. ffect c Refresh the rechargeable battery REFRESH to refresh the rechargeable battery to its maximum capacity by charging and discharging the rechargeable battery repeatedly until no further increase in the capacity is estimated For old rechargeable batteries or those have not been used for a long times refreshing may bring the rechargeable battery back to the optimum condition d Check the rechargeable battery capacity in mAh Ah TEST CHARGE MODE Charging at 200 mA is the default operating mode of the charging unit When only one or two rechargeable batteries are charged provided that only compartment 1 and compartment 4 are used a charging current up to 1500 or 1800 mA may be set by the pressing the CURRENT key On the other hand when charging three or four rechargeable batteries at the same time user may select a charging current of 200 500 700 or 1000 mA oa BERA When charging two batteries at compartment 1 amp 4 max charging current 1800 mA 4 E When charging two batteries at compartment 2 amp 3 max charging current 1000 mA BEBA ejeje When charging two batteries at compartment 1 amp 2 max charging current 1000 mA When charging four batteries max charging current 1000 mA The estimated time of charging by various charging current is tabulated in Table 1 Table 1 Charging Time with various charging cu
14. g current afterward will not be too high The mode key shall first be pressed and held for 1 second to activate the mode change The subsequent pressing of the mode key will toggle between the Charge Discharge Test and Refresh mode Table 2 DISCHARGE MODE Current _User selected 100mA 250maA 350mA 500mA Discharging current 1000 Thereafter Charging 200 mA 500 mA 700 mA current mA Finally batteries will be fully charged in discharge mode and Full will be displayed If the user presses the DISPLAY key at this time charge icon instead of discharge icon will be displayed REFRESH MODE Old rechargeable batteries and those that have not been used for a long time require refreshing This process will recover the optimum capacity of the rechargeable batteries By pressing the MODE key within 8 seconds after inserting the rechargeable batteries the Refresh mode can be selected Refresh mode will start with discharging the rechargeable battery then charging it The repeated discharging and charging cycles will be launched until no further increase in the measured capacities is estimated g oo Discharging current 250 mA mA ee Refresh mode the battery is being discharged Note By pressing the MODE key within 8 seconds after inserting the rechargeable batteries the Refresh mode can be selected The mode key shall first be pressed and held for 1 second to activate the mode
15. mber key to select a particular battery compartment for charge modes and or display mode adjustment MODE key The mode key shall first be pressed and held for 1 second to activate the mode change The subsequent pressing of the mode key will toggle between the Charge Discharge Test and Refresh mode To change the operating mode for an individual rechargeable battery first press the corresponding NUMBER key then press the MODE key DISPLAY key Press and release to select the displays of the charging current in mA time elapsed in hh mm the terminal voltage in V and accumulated capacities in mAh or Ah during the charging or discharging process To change the display content of a particular rechargeable battery first press the corresponding NUMBER key then press the DISPLAY key 1 CURRENT key Press to select the amount of current to be applied within the first 8 seconds after batteries are inserted in different operating modes also see Start charging the rechargeable batteries below OPERATING MODES OF THE CHARGING UNIT This powerful charging unit provides the following operating modes a Charge the rechargeable battery CHARGE to charge the rechargeable battery automatically switches to trickle charge after the rechargeable battery is full b Discharge then charge the rechargeable battery DISCHARGE to discharge the rechargeable battery then charge it to minimize the memory e
16. nd time from inserting the batteries the user may first select the operating mode by the MODE key Charge Discharge Refresh and Test mode may be chosen Then within 4 seconds from the last key pressing user may select the charging discharging current by pressing the CURRENT key Note The mode key shall first be pressed and held for 1 second to activate the mode change The subsequent pressing of the mode key will toggle between the Charge Discharge Test and Refresh mode There is a 4 second time allowed for choosing further functions after each key pressing If no more keys are pressed the LCD will blink one time to indicate the end of setting Afterward the current can no longer be changed during the process and the selected mode will begin After 4 seconds from the last key Charging current 200 mA press the LCD will blink once to indicate the setting is confirmed and the selected mode is activated Charge Mode During charging the different displays Charging current in mA Time elapsed in hh mm Terminal voltage in V and Accumulated capacities in mAh or Ah may be toggled and selected by pressing the DISPLAY key refer Table 4 After the rechargeable battery is fully charged Full will be shown on the display and the user may take out them at this time If the rechargeable batteries are left in place in the compartments trickle charging will start The trickle ch
17. oo high a charging current selected the charging will be stopped immediately and the display will shown 000 mA the charging process will only resume once the temperature of the rechargeable batteries drops to a safe level If overheat conditions continue to occur the rechargeable batteries must be taken out to cool down and then charged at a lower current nnn LILILI mA CHARGE When the battery is overheated the charging will ceases automatically 000 mA will be displayed For a new rechargeable battery it is recommended to charge it with 200 mA current to re condition it from the long storage status DISCHARGE MODE Discharge mode will first discharge the rechargeable battery then charge it It is for removing the memory effects of rechargeable batteries By pressing the MODE key within 8 seconds after inserting the rechargeable batteries the Discharge mode can be selected Then the user may also select different discharging current see Table 2 by pressing the CURRENT key within 8 seconds after inserting the batteries The display will blink once to indicate the setting has been confirmed and the current cannot be changed afterward ou mA Discharging current 250 mA Discharge Mode Note The discharging current is always set to be half of the coming charging current whose upper limit is 1000 mA see Table 2 Therefore the user is recommended to carefully select the discharging current so that the chargin
18. rrent Size of Battery Charging current Estimated charging battery Capacity selected time 1800 75 min 1500 90 min 1000 2 hr 15 min AR 2300 mAh 700 3 hr 15 min 500 4 hr 30 min 200 11 hr 30 min 1800 70 min 1500 80 min 1000 2hr AA 2000 mAh 700 3hr 500 4 hr 200 10 hr 700 60 min AAA 700 mAh 500 84 min 200 3 hr 30 min Note User shall always observe the recommended maximum charging current of the rechargeable batteries In general 200 mA is a recommended charging current if rapid charging is not necessary It is definitely safe and optimum to the rechargeable batteries When the transformer has been plugged to the power source the version number of the charger for example 29 will be displayed first Then all the segments will light up momentarily and the null sign will be shown before batteries are placed If damaged batteries are placed to the charging unit the charger will also show null on LCD Mt ALN I null displayed No battery or damaged battery is placed to the charging unit START CHARGING THE RECHARGEABLE BATTERIES Once a rechargeable battery is inserted after the transformer has been plugged to the power source the battery voltage for example 1 39V will be displayed for 4 seconds Then 200 mA Charge default mode will be shown on LCD for another 4 seconds indicating that charging with 200 mA is to be started if no alternation in setting is made Within this 8 seco
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