Gomadic High Capacity Rechargeable External Battery Pack suitable for the Garmin GPSMAP 64 / 64s / 64st - Portable Charger with TipExchange Technology
Gomadic Intelligent Compact Car / Auto DC Charger suitable for the Garmin GPSMAP 64 / 64s / 64st - 2A / 10W power at half the size. Uses Gomadic TipExchange Technology
Garmin GPSMAP 64st Review: A Well-Rounded Handheld GPS
Garmin GPS MAP 64s
Amazon.com: Caseling Hard CASE Fits Garmin GPSMAP 64x, 64sx, 64s, 64sc, 64st, 64csx, 64 GPS map (case only) : Electronics
Amazon.com: Garmin GPSMAP 64s Worldwide with High-Sensitivity GPS and GLONASS Receiver : Electronics