... 85-265VAC Size 65*111.57mm Material ABS Battery Built-in Lithium Battery Lifespan >30000h Charging Time 6h Discharge time ... tempertureSaving power: 50%-75%, Long lifespan: >30,000hLithium battery: 2400mAGood intensity of illumination, Green lighting source, Short start ... supply, built-in CBB over-charge protection circuitBuilt in rechargeable lithium battery, can last >4hours even when no AC power ...