100% brand new and high quality Replace 1 to 4pcs 1.5V AAA battery power supply cord,This eliminates the need for 1 to 4pcs 1.5V AAA batteries,green dummy battery is conductor,without power,AAA Fake batteries cannot be used in parallel, only in series. Power supply from USB charger,power bank,car USB charger and more USB adapter,removable design, can pass through the small hole of the battery cover,easy to use. 3in1 design,can powered 3 AAA devices at the same time, AAA wired dummy battery output voltage is the same,can not mix with the real AAA battery,Application:Digital camera,portable video,game,flashlight,remote control,toy,music player,electric razoretc,TV remote controls, Clocks and radios, Electronic games, Smoke alarm, Cordless phone, electrical toy, and more. Suitable for shaver Toothbrush Make-up Mirror Camera,Flashlights,controller,Radio,electric toy,fan, holiday 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 eliminate Power supply,you don't need to buy a lot of replacement batteries when the batteries run out,saving you more time and money. Color: Black Material: Plastic Power Cable length: 110cm USB input: 5V 2A AAA dummy battery output: DC 1.5V/1.5 A,3V/1.5 A,4.5V/1.2A,6V/1A(optional) Package Includes: 1x 3in1 USB to AAA Battery Eliminate cable