How to replace the battery on a Tomtom Runner 3 / Spark 3 - YouTube
3.7V 280mAh Rechargeable Li ion Battery For TomTom Spark 3 TomTom Spark Cardio II Smart watch High Quality Replacement|Replacement Batteries| - AliExpress
The Running Dead: TomTom Multisport Battery Replacement • Adham Somantrie
Original Size High Quality 280mah Replacement Battery For Tomtom Spark 3 Watch New Li-polymer Polymer Rech - Smart Accessories - 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