| Model No | CTB15 | | Description | Cordless Telephone Battery | | Application | Cordless Telephone | | Replacement for: | | Radio Shack | ET-400, ET-410 | | | Chemistry | Nickel Metal Hydride (NiMH) | | Voltage | 4.8V | | Brand | Master (this battery is a compatible alternative to that of the original brand) | | Width | 51.2mm | | Height | 16.5mm | | Length/Breadth/Depth | 25.5mm | | Weight | 46g | |