HQRP SUPER Extended 2600mAh Battery Pack compatible with Tivoli Audio iPAL Portable Audio Laboratory AM/FM Radio plus HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 7.2V; Capacity: 2600 mAh; Ni-Mh; 100% compatible with Original Battery; 200 Days warranty!