AT: Tenergy Li-Ion 18650 74V 6600mAh Rechargeable Battery Module w/ PCB Protection
High quality7.4 V Li-Ion rechargeable battery pack Made of6 2200mAh cylindrical 18650 cells with PCB and poly switch for full protection Light weight and higher energy density than any rechargeable battery No memory effect and rechargeable Longer storage life than NiMH battery You can build 14.8V/6.6Ah Li-Ion battery pack by connecting two PCB ready battery modules in serial. Built-in IC chip will prevent battery pack fromover charge and over discharge and prolongs battery life Perfect for building 7.2V battery pack for bike lighting, RC toy (cars and airplanes), robots,cameras, DVD external battery.Recommend using Smart Universal Li-ion Battery Pack Charger and set the votlage at 7.4V for chargingTechnical SpecsCapacity6600mAhVoltage7.4V, peak at 8.4VDimensions66 mm Height x 54mm Width x 36mm thicknessWeight11ozMax. charge current3AMax. discharge current6.6ACut off voltageOver-Charge Protection8.5V Over-Discharge Protection5V 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 batteries Strongly suggestthat youuse our smart Li-Ion battery charger to recharge the battery pack Never 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.