Features: Experience effortless assembly with our detachable powerbank case featuring a nonsolder design, enabling easy installation in minutes for users of all skill levels seeking a hasslefree portable battery solution. Crafted from high strength corrosions resistant plastic, this lightweight powerbank case combines durability with built in overload protections to ensures safe operate during extended daily use or outdoor adventures. 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 electron is flat top. Please pay attention to the direction of the positive and negatives poles. After installing the battery, please fully charging it and activate it before outputting. Specifications: Component: Plastic, Size:Approx.22.2x8cm 19x8cm 15x8cm 11.6x8cm; Color: Black, White 8Option Type; Single USB output: 5V/0.1-2.1A; Double USB output: 5V/0.1-2.4A; IN input: 5V/2A (most); Type C port input: 5V/2A; Features: Removable and weldingfree design, which is convenient for users to assemble and replace batteries by themselves, and can be easily operated without professional tools. Package Includes: 1pc Battery Case 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.