Garmin Edge 1040 Solar Claims up to 100 Hours of Battery Life - BIKEPACKING.com
Portable Emergency AA Battery Charger Extender suitable for the Garmin Edge 800 - with Gomadic Brand TipExchange Technology
Amazon.com: Gomadic Portable AA Battery Pack Designed for The Garmin Edge 800 - Powered by 4 X AA Batteries to Provide Emergency Charge. Built Using TipExchange Technology : Cell Phones & Accessories