(1) High capaticy. High energy density and doubled the capacity of Ni- Cd batteries in similar size ,and more suitable for sophisiticated high drain application. (2) Higher rate discharge characteristics .Up to 3C high rate discharge. (3) Long usage life . Under different usage conditions , konnoc Ni-MH battery can reach 500-1000 charge/discharge cycles. (4) Environmentally friendlier. No mercury ,cadmium and lead added. (5) No memory effect. (6) Low internal resistance.