Tenergy 7.4V Li-ion 2200mAh Rechargeable Battery Module with PCB;

Features and Benefits * High quality 7.4 V Li-Ion rechargeable battery pack * Made of 2 2200mAh cylindrical 18650 cells with PCB 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 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 from over charge and over discharge and prolongs battery life * Perfect for building 7.4V battery pack for bike lighting, RC toy (cars and airplanes), robots, cameras, DVD external battery. * Recommend using our Smart Universal Li-ion Battery Charger and set the charging votlage at 7.4V. Technical Specs Capacity 2200mAh Voltage 7.2V (peak at 8.4V) Dimensions 2.69 x 1.45 x 0.7 inch Weight 3.2 oz Max. charge current 1C (2.0A) Max. discharge current 2.5C (5A) Cut off voltage 6V Cautions * CAUTION: when 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 suggest that you use 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 Battery * Please don't make parallel connection with more than two modules to avoid uneven charge.