Replace your Garmin Nuvi 770T 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 Nuvi 770T GPS.  Simple, Easy and Inexpensive!  You get a New Battery, a FREE Torx Tool and Shim Tool (necessary for installation), an instructional "How To" Video, AND You also get a full ONE YEAR Money Back Guarantee exclusively when you purchase from us!  If you would prefer for us to install a new battery into your Garmin Nuvi 770T GPS, please click here .

• 1250 mAh Replacement Battery for Garmin Nuvi 770T
• 010-00657-10
• 361-00019-11

Replace your Garmin Nuvi 770T 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 Nuvi 770T GPS.  Simple, Easy and Inexpensive!  You get a New Battery, a FREE Torx Tool and Shim Tool (necessary for installation), an instructional "How To" Video, AND You also get a full ONE YEAR Money Back Guarantee exclusively when you purchase from us.  If you would prefer for us to install a new battery into your Garmin Nuvi 770T GPS, please click here .