MPF Products&reg; 280mAh YK372731 Battery Replacement for Golf Buddy Voice, Voice+, Voice VS4, Voice 2 Talking GPS Range Finder with Free Installation Tools Replacement for the Following Battery Model/Part Numbers: YK372731, PL482730. Compatible with the Following GPS Range Finder Models: Golf Buddy Voice, Golf Buddy Voice+, Golf Buddy Voice Plus, Golf Buddy VS4 Voice, Golf Buddy Voice 2. 3.7V 280mAh 1.04Wh Lithium-Polymer Rechargeable Battery Pack. Battery Dimensions: 33.50 x 25.60 x 3.75 mm. Includes Free Installation Tools. 1 Year Replacement Warranty. MPF Products is a Registered Trademark.