Hitech-Replacement HHR-P107 Battery for Panasonic Cordless Phone KX-TG6021M / KX-TG6022B Hitech cordless phone replacement battery. Replaces HHR-P107 cordless phone battery Chemistry: Ni-Mh ; Capacity:650mAh ; Voltage: 3.6V Ni-Mh batteries has no memory effect compared to Ni-Cd batteries 100% compatible and meet or exceed original specifications Item described available at Hitech merchant.