Battery Operated Phone Charger Emergency|USB Battery Powered Small Power Bank Portable 2 AA Batteries Powered Outlet. (White)

Without battery.Battery operated phone charger only use alkaline batteries
If the switch is pressed on the left, it is used for USB charging, while the switch on the right is used to activate the LED light.
This compact and portable emergency USB power bank charges mobile devices with 2 AA batteries.Socket supports USB Type A only.
The AA battery-powered cell phone charger works with smartphones, tablets and a variety of other electronic devices.
Mini power bank:Small and compact, easily fits in your pocket or purse