TOPCHANCES 3.6v 600mah Cordless Home Phone Battery Replacement for Vtech Bt-17333 Bt17333 Bt-27333 Bt27333 Bt-17233 Bt17233 Bt-163345 Bt-263345 Bt163345 Bt263345 Cs2111 At&t 01839 24112 (2Pack) High quality and reasonable price. The battery is very durable, it's safety and long time use. It has the function as same as original battery, but it's more of tangible benefits. Compatible with original manufacturer equipments and chargers. Chemistry: Ni-Cd Voltage: 3.6V Capacity: 600mAh