Amazon.com: Synergy Digital GPS Battery, Works with Garmin Nuvi 2598 LMTHD GPS, (Li-Ion, 3.7V, 1000 mAh) Ultra High Capacity Battery : Electronics
Amazon.com: Synergy Digital GPS Battery, Works with Garmin Drive 51LMT-S GPS, (Li-Ion, 3.7V, 1100 mAh) Ultra High Capacity, Compatible with Garmin 361-00056-00 Battery : Electronics
Amazon.com: Garmin Rechargeable NiMH Battery for GPSMAP 64s/Oregon 600 Series GPS : Electronics