HQRP Portable CD/MD / MP3 Gumstick Battery for Sharp AD-N55BT / ADN55BT Replacement fits MD-MT190 MD-MT190H UBATM0006AWSA MD-MT877 MD-MT180 PORTABLER MINI-DISC RECORDER plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 1.2V; Capacity: 1450 mAh; Ni-Mh; Rechargeable up to 1000 times; Compatible with Original Battery; 200 Days warranty!