The Power Bank Module with Display is a compact battery management and charging module designed for building custom USB power banks using rechargeable lithium-ion batteries. It integrates battery charging, voltage boosting, protection circuitry, USB output, and a digital LED display to indicate the remaining battery capacity.
The module supports charging a single-cell lithium battery while simultaneously providing a stable 5V USB output for powering smartphones, microcontrollers, development boards, portable electronics, and DIY projects. Its compact design makes it ideal for portable power solutions and embedded battery-powered applications.
| Parameter | Value |
|---|---|
| Product Type | Power Bank Module with Display |
| Battery Type | Single Cell 3.7V Lithium-ion / Lithium Polymer |
| Battery Voltage | 3.0V–4.2V |
| Charging Voltage | 5V DC |
| Charging Input | Micro USB / USB Type-C (varies by version) |
| USB Output Voltage | 5V DC |
| USB Output Current | Up to 2A (depending on battery capability) |
| Display Type | LED Digital Battery Capacity Display |
| Protection Features | Overcharge, Over-discharge, Over-current, Short Circuit |
| Conversion Type | DC-DC Boost Converter |
| Efficiency | Up to 90% (typical) |
Product appearance, dimensions, and terminal configuration may vary slightly depending on manufacturing batch without affecting functionality or performance.
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