Amazon.com: Battery Kit for Garmin Edge 705 with Tools, Video Instructions and Extended Life Battery from NewPower99 : Electronics
Portable Emergency AA Battery Charger Extender suitable for the Garmin Edge 705 - with Gomadic Brand TipExchange Technology - Walmart.com
AliExpress
Skylarpu black rear cover for GARMIN EDGE 705 bicycle speed meter back cover Without Battery Repair replacement Free shipping - AliExpress Computer & Office