Garmin Nuvi 1490T Battery - Replacement for Garmin ED38BD4251U20 GPS Battery (1200mAh, 3.7V, Lithium Polymer) Replacement Garmin Nuvi 1490T Battery Replacement for Garmin ED38BD4251U20 GPS Batteries Lifetime Warranty Capacity: 1200mAh, Upstart Battery Brand On Sale for a Limited Time!