... effect and rechargeableLonger storage life than NiMH batteryYou can build 10.8V/5.2Ah or 7.2Ah Li-Ion battery pack by ... 13W) and Diving Lights for long running timePerfect for building 10.8V battery pack for RC toy, robots, and DVD external battery ... and set the charging voltage properly.Technical Specifications Capacity 2600mAhVoltage10.8V (Peak at 12.6V, avg. at 11.1V)Dimensions68mm Length ...