Say goodbye to constantly replacing batteries with our AAA Battery Eliminator Cord! Never change batteries again: This innovative AAA battery eliminator allows you to power your devices directly from a USB source, saving you time and money on endless battery purchases. Versatile Power Options: Powered by any USB charger, USB power bank, car USB charger, or other USB adapters. It comes with a 2A USB power adapter, making it easy to use. The USB adapter can also charge your mobile phone, tablet, and more. Flexible Voltage Output: Replaces 1 to 4 pieces of 1.5V AAA batteries. Choose the 1.5V version if your device needs 1 battery, the 3V version for 2 batteries, and so on. The green dummy battery acts as a conductor and has no power itself. Wide Compatibility: Suitable for a vast array of AAA-powered devices including beard trimmers, toothbrushes, makeup mirrors, cameras, flashlights, drones, radios, electric toys, holiday LED lights, clocks, luminara candles, walkie-talkies, calculators, power banks, keyboards, Christmas advent calendar displays, Walkmans, and more. Note: AAA Fake batteries cannot be used in parallel, only in series. Do not mix with a real AAA battery. Features a detachable design, acting like a switch, and can pass through small holes in the battery cover for easy use. Specifications: Color: Black Material: Plastic Power Cable Length: 110 cm (43.3 inches) Power Adapter Input: AC 100-240V 50-60Hz USB Output: DC 5V 2A Dummy AAA Battery Output: DC 1.5V/1.5A, 3V/1.5A, 4.5V/1.2A, 6V/1A (optional)