HQRP TWO Cordless Phone Batteries for Panasonic HHR-4DPA / HHR4DPA / HHR-55AAABU / HHR55AAABU / HHR-55AAAB / HHR-65AAABU / N4DHYYY00004 / N4DHYYY00005 Replacement plus Coaster HQRP&reg; TWO Rechargeable Batteries plus HQRP&reg; Coaster; Battery Voltage: 1.2V; Capacity: 700 mAh; Ni-Mh; Rechargeable 1000 Times; 100% compatible with Original Battery; 1 Year warranty!