Made of high quality materials, effectively protect the normal battery charging, durable.

Can be any 1-3 AA AAA rechargeable batteries, make your charging easier, the battery is full of automatic stop charging, and with LED indicator light, safe and reliable.

With USB input interface, you can use a laptop, car charger, mobile phone charger, etc., to charge the battery.

The battery charger uses trickle charging to extend the battery life and the charging rate is up to 99%.