HQRP Phone Battery for Uniden D1780-4BT / D1780-8 / D1785-2T / D1788 / D1788-2 / D1788-2T / D2997 / D2998 / D3097 Cordless Telephone plus Coaster HQRP&reg; Replacement Battery plus HQRP&reg; Coaster; Battery Voltage: 2.4V; Capacity: 700 mAh; Ni-Mh; Keep in touch with friends and family and never miss a conversation; 200 Days warranty!