Replace your Golf Buddy Voice DSC-GB750 Battery or Keep an Extra Battery on hand as a backup. This is a high quality  280 mAh, Lithium-Ion Battery that works in your GolfBuddy Voice DSC-GB750 GPS. Simple, Easy and Inexpensive! You get a New Battery, FREE Special Tools (necessary for installation), a Video Installation Guide AND You also get a full ONE YEAR Money Back Guarantee exclusively when you purchase from us.