Charging the Device
To prevent corrosion, thoroughly dry the USB port, the weather cap, and the surrounding area before charging or connecting to a computer.
The device is powered by a built-in lithium-ion battery that you can charge using a standard wall outlet or a USB port on your computer.
NOTE:
The device does not charge when outside the approved temperature range (Varia RTL515/RTL516 Specifications).
Parent Topic: Device Information