Suunto EON Steel Black has a rechargeable lithium-ion battery. Charge the battery by connecting Suunto EON Steel Black to a power source with the included USB cable. As a power source use either your computer USB port or a 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.
|Estimated remaining dive time is 27 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.
When the charge level drops below two (2) hours, you cannot start a dive with Suunto EON Steel Black.
|Battery is charging, showing current charge level as remaining dive time
A pop-up message indicates when recharge is needed.