The USB Power Bank Module with LED Display Indicator is a DIY charging circuit designed to convert 18650 lithium-ion batteries into a portable USB power bank. It features an LED display that shows the battery percentage in real-time, ensuring you always know the available power. With multiple protection circuits, it provides a safe and efficient charging solution for smartphones, tablets, and other USB-powered devices.
Key Features:
- DIY Power Bank Module: Easily convert 18650 lithium-ion batteries into a USB power bank.
- LED Display Indicator: Displays real-time battery percentage, allowing easy monitoring of charge levels.
- 5V USB Output: Provides stable power for charging smartphones, smartwatches, Bluetooth devices, and more.
- Dual USB Output (Optional): Some models offer dual USB ports for charging two devices simultaneously.
- Micro USB & Type-C Input: Supports charging via Micro USB or Type-C input for added convenience.
- Battery Protection System: Built-in overcharge, over-discharge, overcurrent, and short circuit protection for battery safety.
- Compact & Portable: Small PCB design suitable for DIY enclosures and compact power bank cases.
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