Features: Mobile Powerbank case delivers versatile voltages output (DC5V-12V) with universally design, for precise power matching. Featuring easy voltages adjustment and high strength plastic housing, this portability power case combines lightweight durability with built in overload/overvoltage protections for safe operate. Designed for outdoor enthusiasts, frequent travelers, and users requiring adaptable power solution during camping trips, road journeys, or emergencies backup scenarios. Compact yet robust construction makes it ideal for charging drones, portable projectors, and camping gear while maintaining stable output during extended outdoor activity or mobile workspaces. Its space efficient design with impacts resistant casing ensures easy storage in backpacks or toolkits, eliminating bulkiness while providing reliability multidevice charging capability through intelligent voltages regulation. Specifications: Component: Plastic, Size:Approx.166x59x43.5mm/6.54x2.32x1.71inch 6Option Type; Power Cord Interfaces:DC4x1.7mm,DC3.5x1.35mm, PowerBank Case only, other accessories in the picture is not included! Tips: 18650 batteries are not included in the package, you need to purchase separately. Can only use the 18650 battery of which positive electronede is flat top. Please pay attention to the direction of the positive and negatives poles. Package Includes: 1pc Battery Case 1pc Power Cord note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.