Niсkel-metal-hybrid accumulator battery NNTN4851 has 1400 mAh capacity and is designed for use with radios of DP1000 series. Physical characteristics Size: 120 mm x 60 mm x 22 mm, Weight: 210 g, Type: NiMH. Operational characteristic Capacity: 400 mAh, Time of work (analog/digital): 9 h /11.5 h, Quantity of charging cycles: 400, Memory effect: Is available, Technical service: Is required. Environmental requirements Dust- / waterproof: IP54