4-Pack AA Battery Holder with USB Output

4-Pack AA Battery Holder with USB Output

The 4-Pack AA Battery Holder with USB Output uses 4 AA batteries and provides 5VDC power via the USB-A socket. It can be used as a backup charger for some USB-powered devices such as MP3 players. It has an on/off switch. Dimensions: 80x63x15mm.

NOTE: Since the output is not adjustable, it cannot be used as a power bank for devices such as smartphones. Use only when the adjustable output is not required.

Batteries not included