HQRP Two-Way Radio Rechargeable Battery 2 Pack for UNIDEN BP-40 / BP40 Replacement plus Coaster HQRP&reg; TWO Rechargeable Batteries plus HQRP&reg; Coaster; Battery Voltage: 4.8 Volt; Capacity: 700 mAh; Ni-Mh; Keep in touch with friends and family and never miss a conversation; Compatible with Original Battery; 200 Days warranty!