Intrinsically Safe IMPRES NNTN8129 lithium-ion battery has 2350 mAh capacity and is designed for use with the radios of DP4000Е series. Physical characteristics Size: 112,3mm x 51,6mm x 23,2mm, Weight: 170 g, Type: Li-Ion. Operational characteristics Capacity: 2350 mAh, Operation time: Digital - 18 h, Quantity of charge sycles: 300, Memory effect: Is not available, Technical service: Is not required, IMPRES technology. Environmetal requirements Safety satandard: FM, Dust - / waterproof: IP54, Temperature: -10 °С / +60 °С – operational