HQRP Transmitter Battery for Dt-Systems EZT SERIES Super Trainer Dog Training Collar fits EZT 1000, EZT 1002, EZT 1003 + Coaster HQRP&reg; Rechargeable Transmitter Battery plus HQRP&reg; Coaster; Battery Voltage: 7.2V; Capacity: 350 mAh; Ni-Mh; 100% compatible with Original Battery; 200 Days warranty!