Amazon.com: MPF Products 280mAh PP332727 Battery Replacement Compatible with Tomtom Spark 3 GPS Activity Tracker and Fitness Watch : Electronics
How to replace the battery on a Tomtom Runner 3 / Spark 3 - YouTube
Battery replacement for TomTom Runner, Spark, Golfer and Adventure - YouTube
New Tomtom Runner Cardio Watch Battery High Quality Ahb322028 New Replacement Sanerqi - Mobile Phone Batteries - AliExpress
TomTom on Twitter: "@MFergusonAuthor Hi, Watch batteries not holding charge can sometimes be caused by the operating software misreading the charge in the battery. Please apply the Factory Reset described in this
Amazon.com: MPF Products 280mAh PP332727 Battery Replacement Compatible with Tomtom Spark 3 GPS Activity Tracker and Fitness Watch : Electronics