... times cycle 4.CE,ROHS,UL 5.For led lights,ups backup battery,power tools ItemContentCapacityNominal Capacity: 4000 mAh Typical Capacity: ... Applications, car, plane etcSafety, Alarm, metering, power backup etcBuilding portable power device that needs high energy density and low ... weight LiMnNi Rechargeable 3.7V 4000 mAh 26650 Cell Use For Power Tools