battery packs High-quality and rechargeable Long conversation and standby time Long working life Excellent security battery packs MOT: T6200C,T6200,T5522,T5422,T5628,T7618,T5428, T5720,T5728,T5420,T5500 Original: HKNN4002B, HKNN4002A, NTN9395 Type: Ni-cd, Ni-mh Voltage/Capacity: 3.6V/600mAh/1100mAh/1300mAh