Amazon.com: Gomadic Hot Sync and Charge Straight USB Cable for The Garmin etrex 10 20 30 – Charge and Data Sync with The Same Cable. Built TipExchange Technology : Electronics
USB Charging Power Data Cable Compatible with Garmin eTrex 20 / 20X GPS SatNav | eBay
How to Use Your Garmin eTrex GPS for Bikepacking - Bike Und Bier
USB Charging Power Data Cable Compatible with Garmin eTrex 20 / 20X GPS SatNav | eBay