Hitech - Replaces Panasonic HHR-P107, Type 35 Battery for KX-TGA300B / KX-TGA600B / KX-TGA600M / KX-TGA600S Cordless Phones Hitech rechargeable cordless phone battery replaces HHR-P107 Chemistry: Ni-Mh; Capacity: 650mAh; Voltage: 3.6V Ni-MH batteries have no memory effect compared to Ni-Cd batteries 100% compatible and meet or exceed original specifications