Synergy Digital GPS Battery, Works with Garmin DriveAssist 50 LMT-D GPS, (Li-Ion, 3.7V, 750 mAh) Ultra High Capacity, Compatible with Garmin 361-00056-21 Battery - Walmart.com
Garmin DriveAssist 50 LMT | Garmin
Garmin Drive™ 50LMT Portable navigator with 5" screen at Crutchfield