Description: Features: A model is 1.5V,B model is 3V,C model is 4.5V,D model is 6V,Replace 1 to 4pcs LR6 AA LR03 AAA battery power supply cord,This eliminates the need for 1 to 4pcs 1.5V LR03 AAA LR6 AA batteries,2in1 design,can powered 1pc AAA and 1pc AA devices at the same time. If your device need 1pc battery,please choose 1.5V version,If your device need 3pcs battery,please choose 4.5V version,green dummy battery is conductor,no power. Suitable for Radio,electric toy, holiday LED lights,Clocks,luminara candles,Walkie talkie,Calculator,power remote controller, keyboard, Christmas advent calendar display,Walkman and more AA AAA Battery power supply devices No Need To Change Battery Frequently: With this AA 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,with UK Plug USB Power Adapter,easy to use. 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. 3V with two dummy fake battery,4.5V with four dummy fake battery,6V with six dummy fake battery(as conductor,no power ) AAA AA Fake batteries cannot be used in parallel, only in series,Can not be mixed with a real AAA AA battery. Specifications: Black cable is -,Red cable is + Color: Black Material: Plastic Power Cable length: 100cm/39.3inch UK adapter input: AC 100-240V 50-60Hz, USB output: DC 5V 2A Dummy battery output: DC 1.5V/1.5A,3V/1.5A,4.5V/1.2A,6V/1A(optional) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1x USB to AAA AA Battery Eliminator Cord 1x UK Power Adapter