Product Description 3.6v Battery P508- 26560- Tc183.6v Battery For Kxtc1831/1872 Kxtg2563/2583 SeriesDantona Cordless Telephone Replacement BatteryFor Use With Panasonic Kxtc1831/1872 Kxtg2563/2583 Series Phones3.6vCapacity: 1000NicadBrand: Dantona