Synergy Digital GPS Battery, Works with Garmin 616-00077-00 GPS, (Li-ion, 3.7V, 1800mAh) Ultra High Capacity, Compatible with Garmin 010-12110-003, 361-00077-00, 616-00077-00 Battery Electronics
GPS Navigation Battery for Garmin 361-00057-00 361-00057-01 forerunner 910XT