HQRP Battery for PetSafe Yard & Park Remote Dog Trainer, PDT00-12470 RFA-417 PAC00-12159 FR-200P Collar Receiver plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 4.8V; Capacity: 180 mAh; Ni-Mh; ; Compatible with Original Battery; 200 Days warranty!