3.6V 2000mAh Battery For SONY BPT38 BP-T38 SPP-A2780 SPP-S2720 SPP-A2770 SPP-H273 SPP-H270 Cordless Phone Telephone Battery Type: Ni-MH Voltage:3.6V (Compatible with 3.7V) Capacity: 2000mAh Compatible with model:Sony BP-T38 Battery Package: 1 X Battery