Suunto EON Steel - Features - Battery
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Suunto EON Steel User Guide - 1.6


Suunto EON Steel has a rechargeable lithium-ion battery. Charge the battery by connecting Suunto EON Steel to a power source with the included USB cable. As a power source use either your computer USB port or wall charger.

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 27 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 Steel. A pop-up message indicates recharge is needed.