The 1-Slot Battery Charger charges one battery at a time and features an LED that displays solid red when charging and solid green when the battery is fully charged.
Plug the AC-to-USB adapter into the wall outlet and then plug the USB cable into the adapter.
Plug the USB cable into the port on the back of the charger.
Angle the battery pack and insert it into the battery compartment. Rotate the battery into the compartment until it locks in place and sits flush in the charger.
The LED on the charger will display solid red when charging and solid green to indicate the battery is fully charged.
