An attached USB charging connector recharges the lithium-ion battery by working with any USB port external to the battery.
FAQ Category: USB Chargers
My USB Charger has a folding AC plug. Why? | USB Chargers
This type of AC plug fits any standard AC outlet and features folding prongs for convenience and portability.
What is the function of the power switch on the USB Charger? | USB Chargers
The power switch activates and deactivates various functions of the battery pack.