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.

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