HQRP Battery for GolfBuddy LI-F03-01 fits Golf Buddy PT4 GB3-PT4 GPS Range Finder PT-4, Size 74 x 37 x 7mm + Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V; Capacity: 2100 mAh; Li-Ion; 74 x 37 x 7mm; 200 Days warranty!