Operating the Garmin Dakota 20 with a power bank - YouTube
Amazon.com: VOLT PLUS TECH PRO MiniUSB 2.0 Cable Compatible with Your Garmin Dakota 20 with Full Charging and Data Transfer! Custom Cable outperforms The Original (5ft) : Cell Phones & Accessories
Bicycle Handlebar GPS Mount & Dedicated Cradle for Garmin Dakota 10/20
Garmin Dakota 20 Handheld GPS – The Extra Mile Outdoor Gear & Bike