| Model No | CTB40 | | Description | Cordless Telephone Battery | | Application | Cordless Telephone | | Replacement for: | | Uniden | BT-630, XC630, XC631, XC633 | | | Chemistry | Nickel Metal Hydride (NiMH) | | Voltage | 3.6V | | Brand | Master (this battery is a compatible alternative to that of the original brand) | | Width | 25.6mm | | Height | 17.8mm | | Weight | 18g | |