Features: Empowers your devices with the 22.5W Fast Charging Module featuring a color display, protocols, and double USB and 1 Type C port for universally compatibility across for smartphones. Integrated four fold safety protections (overcharge/overvoltage/overheating/overdischarge) and real time battery/voltages/temperature monitoring via a screen ensures reliability performances for powerbank projects. Ideal for enthusiasts, outdoor adventurers, and frequent travelers needing a customizable, high efficiency charging solution for phones and portable gadgets. Perfect for camping trips, emergencies power backups, or daily commutes where clear battery statuses visibility and rapid 22.5W fast charging are critical. Note: Please power on the test screen before welding. When connecting the battery, the test screen must be operated normally. When connecting the battery, you must use a 3.7V ternary lithium batteries and solder it in parallel. It cannot be connecting in series to avoid burning the motherboard. Specifications: Component: PCB Size:Approx.6x2.5cm/2.36x0.98inch Supports :22.5W fast charging module, Support multiple protocols Input:5V3A/9V2A/12V1.5A, output: 5V3A/9V2A/12V1.5A/10V2.25A, Interfaces:equipped with 1 Type C fast charging interfaces and 2 USB output interfaces; Package Includes: 1pc Charging Module note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.