Garmin Nuvi 770 Battery with Tools - Replacement for Garmin GPS Navigator Batteries (1300mAh, 3.7V, Lithium Polymer) Replacement Garmin Nuvi 770 Battery with Tools Replacement for Garmin GPS Navigator Batteries Quantity: 1 Battery, 1 Tools Kit, Lifetime Warranty Capacity: 1300mAh, Upstart Battery Brand On Sale for a Limited Time!