High Capacity 1250 mAh Battery - Guaranteed for One Full Year Compatible with Garmin Nuvi 3590, Nuvi 3590LM, Nuvi 3590LMT GPS How-To Video shows you exactly how to open your device with the included electronics opening tools to successfully replace your battery Kit Includes Video Instructions, Special Electronics Tools, and Long Lasting Battery, with Full One Year Warranty! Battery replacement Kit comes with EVERYTHING you need to replace your battery! Replace your Garmin Nuvi 3590, 3590LM, or 3590LMT Battery or Keep an Extra Battery on hand as a backup. This kit comes with an Extended Capacity 1250 mAh, Lithium-Polymer Battery that offers up even more up time than your original. Works in your Garmin Nuvi 3590, 3590LM, and 3590LMT. You get a New Battery, Free Tools (necessary for installation), Video Instructions and You also get a full One Year Guarantee exclusively when you purchase our Garmin Nuvi 3590 Battery Replacement Kit.