Replace your Garmin Quest Two Battery or Keep an Extra Battery on hand as a backup. This is an Extended Capacity 1050 mAh, Lithium-Ion Battery that offers up even more up time than your original. Works in your Garmin Quest Two GPS. Simple, Easy and Inexpensive! You get a New Battery, Helpful Video Instructions, FREE Special Tools (necessary for installation), AND You also get a full ONE YEAR Money Back Guarantee exclusively when you purchase from us!