Replace 1 to 4pcs LR03 AAA battery power supply cord.
This eliminates the need for 1 to 4pcs 1.5V LR03 AAA batteries.
Suitable for Radio,electric toy, holiday LED lights,Clocks,luminara candles,Calculator,power remote controller, keyboard, Christmas advent calendar display,Walkman and more AAA Battery power supply devices
No Need To Change Battery Frequently: With this AAA battery eliminator USB cable,you don't need to buy a lot of replacement batteries when the batteries run out,saving you more time and money.
Power supply from USB charger,power bank,car charger and more USB adapter.3V with one AAA dummy fake battery,4.5V with two AAA dummy fake battery,6V with three AAA dummy fake battery(as conductor,no power )<br/>