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Power Bank Bidirectional Fast Charging Mobile Power Module Circuit Board

<ul><li>【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs</li><li>【High-Quality Materials】Crafted from premium, materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety.</li><li>【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users.</li><li>【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact.</li><li>【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool.</li></ul>

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The battery can be removed and replaced repeatedly for easy installation.Product Name: A4 Power Bank Kit/3.7V 21700 Battery Case (No battery, no charging cable included)PD + Flash Charge + Super Charge + Fast Charge Version Parameters:Output Power: 22.5WUSB Output: 5V/3.1A, 9V/2A, 12V/1.5A (Only 5V output when multiple ports are connected simultaneously);USB Input (Light): 5V/2A;Micro Input: 5V/3A, 9V/2A;Type-C Output: 5V/3.1A, 9V/2.22A, 12V/1.67A (output only available when supporting the PD protocol);Type-C Input: 5V/3A, 9V/2A, 12V/1.5A (simultaneous input is not supported);Other Features: Long press to turn on the LED light; single press to light control modes; reverse installation will not damage the motherboard.Colors: Black frame + gray for + case, yellow + gray for + caseEffective voltage: 3.2V-4.15V (spring voltage drop)Capacity requirement: The battery pack's minimum actual capacity must be at least 10,000 mAh. Otherwise, the battery will not be able to discharge power until it is discharged.Note: If your phone's proprietary protocol doesn't support USB fast charging (for example, USB-C), you can use PD charging (Type-C output). PD public protocol output is more stable.Fast Charging Specifications (Supported Protocols):(Includes a data transfer charging cable. Communication handshake is successful with one of the following protocols.)Supports 5V, 9V, and 12V input/output voltage ranges; BC1.2, Apple, and for mobile phone fast charging;Integrated with for SCP 22.5W Super Charge output protocol;Integrated with OPPO VOOC 22.5W Flash Charge output protocol;Integrated with QC2.0/QC3.0 Qualcomm output fast charging protocols;Integrated with FCP for and AFC for input/output fast charging protocols;Integrated with USB-C DRP protocol, supporting input/output fast charging;Integrated with USB Power Delivery (PD2.0/3.0) protocolSupports PD2.0/3.0 input/outputCharging Specifications:Supports 18W charging, with automatic battery current regulation, and charging current up to 5A.(For the first charge, it is recommended to charge to 100% and then charge for a few more hours to allow the batteries to full balance.)Discharge Specifications:Output Current Capacity: 5V/3.1A; 9V/2.22A; 12V/1.67ASupports line-compensation, synchronous switching discharge at 5V/2A with over 95% efficiency.Multiple Protections, High Reliability:Built-in input overvoltage and undervoltage protection; integrated output overcurrent, overvoltage, and short-circuit protection; built-in battery overcharge, overdischarge, and overcurrent protection; built-in IC overtemperature protection.Note: This product only accepts 21700 (21*70mm) batteries with a voltage between 3.5V and 4.2V. Batteries over two years old and with more than 300 cycles are generally not dependable. If you notice intermittent charging, only a few minutes or more than ten minutes of use, or even failing to charge your phone halfway, these are all signs of poor battery performance. Furthermore, this product does not support modification or soldering. We will not be responsible for after-sales service if you use batteries that do not meet these requirements. The motherboard is equipped with an anti-reverse installation chip, so the motherboard will not be burned if it is installed backwards. However, since the spring shrapnel is integrated, the battery is broken, the battery is short-circuited, one positive and one negative, and connected in series will cause the spring to burn. But after reinstalling it correctly, the motherboard can always be used normally and will not burn.