Replace your Garmin Edge 605 Battery or Keep an Extra Battery on hand as a backup. This is an Extended Capacity 1250 mAh, Lithium Polymer Battery that offers up even more up time than your original. Works in your Garmin Edge 605 GPS. Simple, Easy and Inexpensive! You get a New Battery, FREE Special Tools (necessary for installation), a Helpful Installation Video, AND You also get a full ONE YEAR Money Back Guarantee exclusively when you purchase from us!