About this item

• No Need To Change Battery Frequently: With this AA AAA battery eliminate USB cable,you don’for t need to buy a lot of replacement batteries when the batteries run out,saving you more for time and money.
• Power supply from USB charger, power bank,car charger and more USB adapter.
• Replace 1 to 4pcs 1.2V LR6 AA LR03 AAA C size D size Ni-MH NiCd battery power supply cord,This eliminates the need for 1 to 4pcs 1.2V LR03 AAA LR6 AA C size D size and more batteries.
• Some mobile power bank sources have an automatic power-off function, and the output current of 90mA will automatically power off. It is recommended to use wall USB Adapter.
• The black clip is connected to the negative poles of the product, and the red clip is connected to the positive poles,If your device needs 1pc 1.2V battery,please choose 1.2V version,If your device needs 2pcs 1.2V battery,please choose 2.4V version, and so on.