Appendix

About the Battery

warning

This product contains a lithium-ion battery. See the Important Safety and Product Information guide in the product box for product warnings and other important information.

Forerunner Battery Life

Battery

Forerunner Use

Life*

 

1 week

You are training for 45

 

minutes per day with

 

GPS. The Forerunner is in

 

power save mode for the

 

remaining time.

Up to 3

You are using the

weeks

Forerunner in power save

 

mode the entire time.

Up to 8 hours

You are training with GPS

 

the entire time.

 

 

*The actual battery life of a fully charged battery depends on how much time you use GPS, the backlight,

and power save mode. Exposure to extremely cold temperatures also reduces battery life.

Power Save

After a period of inactivity, the Forerunner goes into power save mode. The Forerunner displays the time and date, but does not connect with your ANT+ accessories or use GPS. You can press page to exit power save mode.

Charging the Forerunner

notice

To prevent corrosion, thoroughly dry the contacts and the surrounding area before charging or connecting to a computer.

The Forerunner will not charge when the battery is outside the temperature range of 41°F–104°F (5°C–40°C).

1.Plug the USB end of the cable into the AC adapter.

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Forerunner 210 Owner’s Manual