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CS400
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FAQs

Battery Change in Polar Product

Battery life time depends highly on how much you use the product. For estimated average battery life of your Polar product, please refer to product manual.

For many Polar products the battery is inserted at the factory. In the package, even though not active, the battery still has shelf life. The actual life of the first battery, once the product is in your possession, can therefore feel shorter than what is estimated in the user manual.

Depending on the training computer model you can either change the battery yourself or you need to have it changed by a Polar-authorized service center that only use Polar-approved components. With every battery change, Polar performs a full periodic and water resistance check.
Please contact Polar Service Centers for a battery change if your product is not listed.

You can change the battery yourself to these products:
AW200
AXN700, AXN500, AXN300
CS600X, CS600, CS500+, CS500, CS400, CS200, CS200cad, CS100
FA20
FT80, FT60, FT40, FT7, FT4
G1 GPS sensor, G3 GPS sensor W.I.N.D.
H1 / H2 / H3 / H6 / H7 heart rate sensor
Polar Active
Polar Move
Power Output Sensor / Power Output Sensor W.I.N.D.
RCX3, RCX5
RS400 / RS800 / RS800CX
S1 foot pod / s3 stride sensor W.I.N.D. / s3+ stride sensor
WearLink® transmitter / WearLink® transmitter W.I.N.D. / WearLink® Hybrid / Polar WearLink® transmitter Nike+ / Polar WearLink® transmitter Bluetooth®


Replace the sealing ring if it seems damaged. For closer instructions, see your product manual.
Excessive use of the backlight and sounds reduces battery life.
In cold conditions, the low battery indicator may appear but will disappear when the temperature rises.
If your training computer has a data transfer feature, transfer all data from your training computer to related software/web service to avoid data loss.

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