100% brand new and high quality . Replace 1 to 4pcs 1.5V AA battery power supply cord,This eliminates the need for 1 to 4pcs 1.5V AA batteries,green dummy battery is conductor,without power,AA 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. 2in1 design,can powered 2 AA devices at the same time, AA wired dummy battery output voltage is the same,can not mix with the real AA battery,Application:Digital camera,portable video,game,flashlight,remote control,toy,electric razoretc,TV remote controls, Clocks and radios, Electronic games, Smoke alarm, Cordless phone, electrical toy, and more. Suitable for Beard Trim-mer Toothbrush Make-up Mirror Camera,Flashlights,controller,Radio,electric toy,fan, holiday lights,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 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 AA dummy battery output: DC 1.5V/1.5 A,3V/1.5 A,4.5V/1.2A,6V/1A(optional) Package Includes: 1x USB to 2in1 AA Battery -Eliminator