... 4400mah 3.7v miner light li-ion battery 1,3.7V/4400mAH 2,Over 500 cycle life 3,High capacity 4,No pollution 4400mah 3.7v ... 60%,100%DOD)Safety certificateCERTIFICATION: CE,UL,FCC, RoHS,ISO9001Features: 1, Longer storage life than NiMH Batteries2, Light weight and higher ... and lighter weight6, The battery module is wrap by PVCOthers: 1, OEM orders are available2, Superior quality and cost-performance ...