Features: Eliminate the hassle of frequent 3a battery replacements with this USB to 6V adapter, saving you time and money while providing reliabled power for your devices. Featuring a USB input of 5V/2A and outputting 6V/1A, this 3a battery eliminators includes a green false battery as a conductor, specifically designed to replace four LR03 3a batteries in compatible equipment. Ideal for parents, hobbyists, and users of battery powered electronics who seek a convenient and friendly alternative to disposables batteries. Perfect for powering everyday items like radios, electric toy, holiday LED lights, calculators, keyboards, and electronic door locks in various settings such as homes or event. Connection this USB power cable to any USB charging adapter, car adapter, or power for continuous, cost effective energy without the need for disposables 3a batteries. Specifications: Input USB: 5V2A Output: 6V1A LR03 3a false battery Cable length: about 100cm/39 inches, 200cm/78.74 inches (optional) Package Includes: 1pc USB 5V to 6V power cord 3pcs green false batteries note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.