Callaway uPro Battery Replacement (800mAh, 3.7V, Lithium-Ion) - Compatible with uPro, uPro Go Golf GPS, Range Finder 1008000134, 30200, FS171 Replacement Callaway Battery for uPro, uPro Go Golf GPS, Range Finder 1008000134, 30200, FS171 Battery Capacity: 800mAh, Voltage: 3.7, Type: Lithium-Ion Lifetime Warranty On Sale for a Limited Time! Grade A Quality. High Capacity.