Amazon.com: Gomadic Portable AA Battery Pack Designed for The Mio DigiWalker C320 - Powered by 4 X AA Batteries to Provide Emergency Charge. Built Using TipExchange Technology : Electronics
BatteryMINDer 1510-OBD2 | 12 V 1.5 AMP Charger-Maintainer-Desulfator W/OBD2 Connector
Classic Straight USB Cable suitable for the Mio DigiWalker C320 with Power Hot Sync and Charge Capabilities - Uses Gomadic TipExchange Technology - Walmart.com