Features: Power banks set with 2x21700 battery slots delivers extended runtimes and 5V/9V/12V super fast charging, eliminating technical barriers for easy assembly. Features ABS construction with digital battery display, double LED lights, and included double USB C charging cable for versatile device compatibility and real time power monitoring. Perfect for enthusiasts, outdoor adventurers, and hobbyists seeking customizable power solution without soldering expertise. Ideal for camping trip, or daily commutes, providing charging for smartphones, tablets, and USB powered gadgets. Streamlined assembly process ensures quick deployment, while compact form factor enhances portability for on the go power needs. Specifications: Component: ABS Size: about. 99.5x54x26mm/3.92x2.13x1.02in Input: 5V/9V/12V Output: 5V/9V/12V Output power: 22.5W Battery Type: 21700 battery (without battery) Color: Black/White Package Includes: 1pc Battery Case (Battery NOT Include) note: Battery NOT Include. Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.