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Suunto EON Core has a rechargeable lithium-ion battery. Charge the battery by connecting Suunto EON Core to a power source with the included USB cable. As a power source use your computer USB port.
The battery icon in the upper-left corner of the display shows the battery status. To the right of the battery icon is the estimated remaining dive time in hours.
|Estimated remaining dive time is 16 hours; no immediate need to recharge|
|Estimated remaining dive time is three (3) hours or less; recharge needed|
|Estimated remaining dive time is less than one (1) hour; recharge immediately|
|Battery is charging, showing current charge level as remaining dive time|
When the charge level drops below 2 (two) hours, you cannot start a dive with Suunto EON Core. A pop-up message indicates recharge is needed.