How long does the battery last in my Polar A300?
The battery of your Polar A300 lasts up to 26 days with 24/7 activity tracking and 1h/day training. Many factors influence battery lifetime. You need to charge the battery more often if you:
- browse the display a lot,
- use your Polar A300 for heart rate training,
- use the Polar Flow app with your Polar A300,
- wear your Polar A300 in cold weather.
If you have further questions about battery lifetime, please contact your local Polar customer care.