HQRP Phone Battery for Panasonic KX-TG2970B KX-TG5100 KX-TG5100M KX-TG5110M KX-TGA270S KX-TGA273S KX-TGA510M Cordless Telephone plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.6V; Capacity: 1200 mAh; Ni-Mh; Size: AA; 3 Cells; Ni-Mh batteries last longer and provide notably more talk time than Nickel Cadmium batteries; 100% compatible with Original Battery; 200 Days warranty!