Suunto EON Core - Features - Battery
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Suunto EON Core User Guide


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.

batteryNormalEstimated remaining dive time is 16 hours; no immediate need to recharge
battery3hrsEstimated remaining dive time is three (3) hours or less; recharge needed
batteryLowEstimated remaining dive time is less than one (1) hour; recharge immediately
batteryChargingBattery 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.

Recharge needed Core