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For contact information and all Polar Service Center addresses, visit www.polar.com/support and country-spe-
cific websites.
Register your Polar product at http://register.polar.fi to ensure we can keep improving our products and ser-
vices to better meet your needs. For the registration you need a Polar account which you have created when
taking your device into use via web. The username for your Polar Account is always your email address. The
same username and password are valid for Polar product registration, Polar Flow web service and app, Polar
discussion forum and newsletter registration.
BATTERIES
At the end of the working life of the product Polar encourages you to minimize possible effects of waste on the
environment and human health by following local waste disposal regulations and, where possible, utilizing sep-
arate collection of electronic devices. Do not dispose of this product as unsorted municipal waste.
Keep the batteries away from children. If swallowed, contact a doctor immediately. Batteries should be dis-
posed of properly according to local regulations.
CHARGING A300 BATTERY
The A300 has an internal, rechargeable battery. Rechargeable batteries have a limited number of charge
cycles. You can charge and discharge the battery over 300 times before a notable decrease in its capacity.
The number of charge cycles also varies according to use and operating conditions.
Do not charge the battery in temperatures under 0°C or when the A300 is wet.
The USBconnector is in the device, which makes recharging simple - no long and clumsy cables needed.
Just plug your A300 straight to your computer. However, we deliver a standard USB cable along with the
A300, so if you prefer using it, please do.
You can also charge the battery via a wall outlet. When charging via a wall outlet use a USB power adapter
(not included in the product set). If you use an AC adapter, make sure that the adapter is marked with "output
5Vdc" and that it provides a minimum of 500mA. Only use an adequately safety approved AC adapter (marked
with "LPS", "Limited Power Supply" or "UL listed").
1. Plug your A300 to your computer's USB port either directly (picture 1) or with the USB cable (picture 2).
Make sure the cable is right way up - the USB symbols on the back cover of the device and on the
cable are next to each other. Check that the A300 is dry before connecting it to the computer. If the bat-
tery is completely empty, it takes a couple of minutes for the charging to start.