To prevent corrosion, thoroughly dry the USB port, the weather cap, and the surrounding area before charging or connecting to a computer.
The device does not charge when it is outside the approved temperature range (Specifications).
Lift the weather cap .
Plug the small end of the power cable into the charging port on the device.
Plug the other end of the power cable into a compatible AC power adapter.
Plug the AC power adapter into a standard wall outlet.
Charge the device completely.