If you don't own a powerbank, this new product could come in handy. This AA/AAA Battery Emergency Cellphone Charger allows you to charge your android phone from an AA or AAA battery. This is primarily designed to be used in emergencies when all your other options for charging your phone have been exhausted.
Small size, portable and lightweight, the phone charger is primarily designed for emergency use, you can carry it to anywhere you want.
No need to be charged, it only needs two AA or AAA batteries which are easy to get from store or household, very convenient to charge your smartphone.
Built-in protection circuit, if the AA batteries are exhausted or the device has been charged fully, it will be disconnected by itself and stop charging.
Adopt imported intelligent managing charging IC, the output current of the batteries is based on the rated receiving current of the charged device to automatically adjust. Adjustment range is within 500mAh-1500mAh.
Built-in DC-DC boosted circuit, just using AA batteries and it can boost the charging to 5V, and the conversion efficiency can reach 98%. The new 5#AA batteries can charge 40% within 30 minutes and extend your phone (with 2500mAh battery) using time for another 3 hours.
When not using, you can put it into your bag or pocket, or you can hang it into your keyring. With magnetism, easy to place and find it.