Features: Experience 22.5W super fast charging with this friendly removable battery case, for multiple polymers batteries for customizable power . Featuring swappable modulars design, multiple protections safety system (overcharge/short circuits prevention), and triple output interfaces (USB A/C/microusb) in ABS housing. for travel, outdoor enthusiasts, and electronics hobbyists needing reliable on the go charging versatility. Perfectly serves commuters charging phones during transit, campers powering devices outdoors, or professionals managing multiple gadgets in offices. 20% smaller than standard power banks, it delivers 3A output to simultaneously charging smartphones, tablets, and small electronics without bulk. Specifications: Materials: ABS+PCB Color: Black, White(optional) Appearance size: 145x72x28MM Battery compartment size: 110x60x24MM (install 1260110 batteries 2pieces) Input: 5V2A/5V3A/9V2A/12V1.5A Output: 5V2A/5V3A/4.5V5A/9V2A/12V1.5A Battery can be installed: 1260110 batteries 2 Package Includes: 1Set Battery Case note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.