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Caring for your OH1

Like any electronic device, the Polar OH1 should be kept clean and treated with care. The instructions below will help you fulfill the guarantee obligations, keep the device in peak condition and avoid any issues in charging or syncing.

Keep your OH1 clean

Wipe any dirt or mud off OH1 after each training session with a soft towel.

Keep the OH1 and OH1 USB adapter charging contacts clean to ensure smooth charging and syncing.

Before charging, make sure there’s no moisture, hair, dust or dirt on the OH1 or OH1 USB adapter charging contacts. Gently wipe off any dirt and blow off any dust. Do not use any sharp tools for cleaning to avoid scratching.

Keep the OH1 contacts clean to protect it from oxidation and other possible damage caused by dirt and salt water (e.g. sweat or sea water). Do not charge the OH1 when the charging contacts are wet or sweaty.

Take good care of the optical heart rate sensor

Keep the optical sensor area clean and scratch-free. However, small scratches should not affect the performance of optical heart rate measurement.


Keep your training device in a cool and dry place. Do not keep it in a damp environment, in non-breathable material (a plastic bag or a sports bag) nor with conductive material (a wet towel). Do not expose the training device to direct sunlight for extended periods, such as by leaving it in a car. It is recommended to store the training device partially or fully charged. The battery slowly loses its charge when it is stored. If you are going to store the training device for several months, it is recommended to recharge it after a few months. This will prolong the battery lifetime.

Do not leave the device in extreme cold (below –10 °C/14 °F) and heat (above 50 °C/120 °F) or under direct sunlight.


During the two-year guarantee/warranty period we recommend that you have service done by an authorized Polar Service Center only. The warranty does not cover damage or consequential damage caused by service not authorized by Polar Electro. For further information, see Limited International Polar Guarantee.

For contact information and all Polar Service Center addresses, visit and country-specific websites.