... High capacity 4,No pollution 4400mah 3.7v miner light li-ion battery Basic Characteristics Nominal Voltage3.7VNominal ... CYCLES (Normal temperature ,1C cycle to 60%,100%DOD)Safety certificateCERTIFICATION: CE,UL,FCC, RoHS,ISO9001Features: 1, Longer ... storage life than NiMH Batteries2, Light weight and higher energy density than any rechargeable battery3, ...