HQRP Two-Way Radio Rechargeable Battery Pack compatible with Cobra FA-BP/FABP, COM-FABP/COMFABP Replacement plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 4.8 Volt; Capacity: 700 mAh; Ni-Mh; Fits all FRS, PR and Marine radios that use 4 "AAA" batteries EXCEPT PR3500, PR3800 PR4000-series; Compatible with Original Battery; 200 Days warranty!