It is a dry battery charger with a USB port that does not require an outlet and can be charged from a dry battery at any time.

Achieves high output power of 1A (ampere) as a dry battery type! !!

You can use your USB cable to charge smartphones such as Android and iPhone.

It can be used repeatedly with 4 alkaline AA batteries (dry batteries sold separately).

With switch & energizing blue LED lamp! !!