The 5V Powerbank Module is a compact, efficient charging and boost converter board designed to turn a single 3.7V lithium-ion battery (18650) into a fully functional 5V USB power bank. Featuring built-in battery protection and USB output, it enables safe and reliable power delivery for various portable electronics and embedded systems. This module integrates overcharge, over-discharge, and short circuit protection, ensuring the safety of your battery and devices. With a micro USB input for charging and a standard USB-A output for 5V devices, it is a must-have for any DIY power supply or mobile charging station. ✅ Key Features: Converts 3.7V lithium battery to stable 5V USB output Micro USB input and standard USB-A output Built-in charging and protection circuitry LED indicators for charge status Ideal for 18650 or Li-ion batteries Compact size for portable electronics ��️ Applications: DIY power banks Battery-powered Arduino or Raspberry Pi projects Emergency USB charging stations Portable LED lighting systems Wearable electronics power modules Power supply for IoT devices
