Li-ion Polymer battery, no memory effect, Voltage 11.1V DC, Capacity: 4800mAh, 53.28Wh. Cycle life: 500 times. Being fully charge, 6—20 hours continuous power supply for PRF-102R and PRF-103R processor. Weight: 340g. Hot Tags: respirator battery, China, manufacturers, suppliers, wholesale, cheap, low price