High quality3.7 V Li-Ion rechargeable battery packMade of2 2200mAh cylindrical 18650 cells with PCB and poly switch for full protectionLight weight and higher energy density than any rechargeable batteryNo memory effect and rechargeableLonger storage life than NiMH batteryYou can build 7.4V/4.4Ah Li-Ion battery pack by connecting two or three PCB ready battery module in parallel .Built-in IC chip will prevent battery pack fromover charge and over discharge and prolongs battery lifePerfect for building 3.7V battery pack for bike lighting, RC toy (cars and airplanes), robots,cameras, DVD external battery. Recommend ourSmart Li-Ion Battery Charger to charge thebattery pack (With charging volatge set at 4.2V on the charger) Technical SpecsCapacity4400mAhVoltage3.7VDimensions65mm Heightx 37mm Withx 18mm ThicknessWeight6.0ozMax. charge current6 AMax. discharge current10ACut off voltageOver-Charge Protection4.35VOver-DisCharge Protection2.4V Cautions CAUTIONwhen working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use.We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteriesStrongly suggestthat youuse our smart Li-Ion battery charger to recharge the battery packNever use conventional DC adapter to charge the battery module) We are NOT responsible for any damage that is caused by the misuse of the Li-Ion BatteryPlease don’t make parallel connection with more thantwo modules to avoid uneven charge.
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