HydroBatt User`s Manual
Contents
1. Batt e Charge only in the 0 to 40 C temperature range e The charger is not waterproof protect it from water and weather 2 3 Shipping e Ship securely in the original container with original warning notices on the container e Install a dummy plug in the connector ae Figure 3 The black circle on the left of the e Do not ship by air if damaged or end cap is the top of the pressure relief valve malfunctioning Never block the valve If it pops up that 8 indicates a possible hazard and you should discontinue use 2 4 Storage e If storing the battery for long periods charge it every three months 3 CHARGE amp DISCHARGE 3 1 Charging Procedure e Connect the battery charger to the HOBI supplied adapter cable that matches the bulkhead connector on the HydroBatt e Plug the adapter into the HydroBatt bulkhead connector e Connect the charger to 110 to 240 VAC power Its fan and red LED should turn on e When the battery is fully charged the charger s green LED will turn on and its fan will turn off e Disconnect the charger from the battery e Notes o You can safely stop charging at any time whether or not the charge is complete o You can safely leave the charger connected for a few hours after charge is complete In fact it is beneificial to do this from time to time because it allows the cells in the battery to become better balanced 3 2 Charge Characteristic Like all batteries of this type the Hydr2. HydroBatt Oceanographic Battery USER S MANUAL Revision B Hydro Optics Biology amp Instrumentation Laboratories HOBIL Abs LIGHTING THE WAY IN AQUATIC SCIENCE EA support hobilabs com Revisions B September 2011 Correct cross references A September 2011 Initial Release 1 INTRODUCTION occccnccccnonnnonnonnnonnnonnncnnocnnonnnoonncnncnonconononconanonnnonn non s oeras or Tino E S nncn roca nooo roca nono ronacss 5 2 PRECAUTIONS sisciscccetisiecccecsvcssecescccssesevetsccedsacesnseoscndceassoesse escegseenuesee lease sbevesesueded soseusesewscsesbebnosenseeds 6 2 1 USE e a OCOD SABE RESO SAR EAD TR ASE ETON HOOT MERE AEST EERE 6 262 CHARGING tare tise elec A A LS A do IN ties 6 23 E AIPE AAEE E O A A A A EA A 6 2 4 STORAGE EA E A A N IE IN S AAEE A ARREA E 6 3 CHARGE amp DISCHARGE aisissssacacccceecisisacesechecsesdoscnesves ose sconacss cose oneescses cos cusbososnouss cheb osedacsvesveconsonseeees 7 3 1 CHARGING PROCEDURE ads 7 3 2 CHARGE CHARACTERISTIC votas iento diaria calle ibas ist 7 3 3 DISCHARGE CHARACTERISTIC A suits alada tail stead 8 4 AS IA O Eee enaiis 10 5 SERVICE AND SUPPORT si cscsscsuscescsscdessasessseossouscosecsssosendsssveecdsosasveceseceeSeennsineicssceubucstecsdecesbesseossose 11 5 1 SERVICE AND SUPPORT 22 6 fois Saabs eves ths ad ti A 11 5 2 EQUIPMENT RETURN A E E chase 11 1 INTRODUCTION The HydroBatt shown in Figure 1 is a high capacity rechargeable battery for powerin
3. STRUCTIONS To return your HydroBatt to HOBI Labs for any reason first contact us for a returned material authorization RMA number You can fill out an RMA request form at our web site or email us directly at support hobilabs com The RMA is very important for tracking your equipment Please be prepared to provide us with the instrument serial number the address to which it should be returned after service and any special requests Upon issuing the RMA we will send you shipping instructions After we receive the equipment we will inspect and test it and send a description and cost estimate for any service required We will not proceed with service until we receive your authorization for the cost Always ship your instrument in its original container which is designed to protect it against rough handling
4. g underwater equipment It is especially suited to powering autonomous instrumentation packages that either require high intermittent power or long mission durations The housing is corrosion proof acetal plastic conservatively designed for its 600 meter depth rating HydroBatt contains a four cell Lithium Ion battery with 18 Ahr charge capacity at a nominal output voltage of 14 5 V actual range 11 4 to 16 8 V For even higher capacity multiple HydroBatts can be connected together with suitable Y cables The standard charger charges the battery fully in a maximum of 6 hours But the cells charge most rapidly when their charge is low so the first 80 of a charge takes only 3 hours Figure 1 HydroBatt 2 PRECAUTIONS Misusing or damaging Lithium ion batteries can create the risk of fire or explosion The HydroBatt includes multiple layers of protection but it is still important to follow the following precautions carefully 2 1 Use e Avoid situations that could lead to short circuits and overload e If connecting multiple HydroBatts with Y cables beware the short circuit hazard shown in Figure 2 e Do not block the pressure relief valve see Figure 3 Figure 2 Beware of a short circuit hazard in this 2 2 Charging situation when one branch of the Y cable is connected to a HydroBatt the male pins of the e Use only the charger supplied with other branch carry the first battery s output voltage the Hydro
5. ng the battery s capacity However even in this respect the HydroBatt performs better than older battery technologies retaining at least 70 of its capacity after 500 charge discharge cycles Charge Delivered 100 80 60 00 02 04 06 08 10 12 14 16 18 20 22 2 4 2 6 Discharge Time hr Figure 5 Discharge characteristic with continuous 7 A load 4 SPECIFICATIONS Mechanical Diameter flo2emao gt A AA ise 3 80 kg air 8 4 Ib A 9 E water 2 Ib is A aoa A 2 hargimgTemperature pto40C_ O Maximum Depth f00m DP ANA A Electrical PT A A TT 16 8 V peak fully charged no load 14 5 V nominal 11 4 V minimum cutoff voltage AA fuse Charging time 2 hrs to 60 charge 3 hrs to 80 charge 6 hrs max to full charge SO A ASA connector Bulkhead connector SubConn MCBH3F_ __ Matimgcomnector SubComiMCi3M o Pins Common Returm A ATT o Ping harginginput 10 5 SERVICE AND SUPPORT 5 1 Service and Support For help and advice regarding the operation of your HydroBatt contact HOBI Labs at support hobilabs com or call our office at 520 299 2589 You can also download manuals software and other technical information from our website www hobilabs com 5 2 Equipment Return Note that the HydroBatt may be subject to special shipping restrictions especially if it is damaged or malfunctioning DO NOT SHIP THE HYDROBATT TO HOBI LABS WITHOUT CONTACTING US FIRST FOR IN
6. oBatt accepts charge at the highest rate when its charge is low and its rate of charging declines as the accumulated charge increases This results in the nonlinear charging characteristic shown in Figure 4 The practical effect is that while a full charge can take as long as six hours 80 charge is reached in only three hours and 60 charge in only two Charge Acceptance Voltage V 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 Charging Time hr Figure 4 Charging Characteristic The top graph shows the accumulated charge as a percentage of full charge while the bottom shows the battery voltage 3 3 Discharge Characteristic Figure 5 shows the typical discharge voltage and delivered charge during a continuous discharge of 7 A this experiment was conducted under conditions that allowed exceeding the normal rating of 6 A Note that the voltage drops gradually throughout most of the discharge then rapidly accelerates after 90 of the charge has been delivered Because over discharging can rapidly degrade the battery s capacity a circuit in the HydroBatt automatically cuts off the load when its voltage goes below about 11 V The capacity of the battery varies by no more than about 10 over the temperature range 0 to 40 C and is also quite insensitive to the actual current drawn In other words the rated capacity of 18 Ahr can be realized under any reasonable operating conditions when the battery is new Age is the main factor affecti
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