Description: Features: Replace 1 to 4pcs LR6 AA battery power supply cord,This eliminates the need for 1 to 4pcs 1.5V LR6 AA batteries,2in1 design,can powered 2pc AA devices at the same for time,AA model is 1.5A,2AA is 3V,3AA is 4.5V,4AA is 6V. 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,Fan,Clocks,luminara candles,Walkie talkie,Calculator,power remote controller, keyboard, Christmas advent calendar display,Walkman and more AA Battery power supply devices No Need To Change Battery Frequently: With this AA battery eliminator 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,USB power bank,car USB charger and more USB adapter,come 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 ) AA Fake batteries cannot be used in parallel, only in series,Can not be mixed with a real 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: for DC 5V 2A Dummy battery output: for 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 Dual AA Battery Eliminator Cord 1x UK Power Adapter