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 comes with 4 alkaline AA batteries and can be used immediately.
Equipped with a cable connection detection type ON / OFF function that can be turned ON / OFF simply by inserting and removing the USB cable!
With switch & energizing blue LED lamp!