HRM Tri battery is empty after couple days - Forerunner 935 - Running/Multisport - Garmin Forums
Jørn Thyssen on Twitter: "Changing battery in my @Garmin HRM-TRI using an itty-bitty screw driver and @Ikea knife as per @dcrainmakerblog https://t.co/x5ozPe4Ok8" / Twitter