HQRP Battery for SkyGolf SkyCaddie SGX, SkyCaddie SGX-W GPS Range Finder Sky Golf Sky-Caddie SGX-GPS-0891 ENCPT505068HT GPS0320MG051 + HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V; Capacity: 2000 mAh; Li-Pol; 100% compatible with Original Battery; 200 Days warranty!