- Compact Size: Measuring just 2.5 x 1.8 cm, this circuit board is designed for easy integration into various projects without taking up much space. - Enhanced Safety Features: With a maximum output of 3A at the pins, it includes short circuit protection to prevent damage. Additionally, battery over-discharge protection kicks in at 2.5V, ensuring your battery life is preserved and your project remains safe. - Reliable Charging: The charging cut-off voltage is set at 4.2V, providing efficient charging while preventing overcharging. Two integrated LEDs indicate the charging status, and can be easily removed if you prefer a cleaner look for your project. - Efficient Power Input: Accepting a maximum charging current of 1A and powered by 5V DC, you can easily connect via the USB port or the adjacent + and - pins, offering versatility in how you power your devices. Use Cases: - DIY Electronics: Perfect for hobbyists building custom battery-powered devices, ensuring safe and efficient charging. - Portable Projects: Ideal for compact applications like portable speakers or LED lights, where space and battery management are critical. - Robotics: Great for powering small robotic systems, providing essential protection features to safeguard your components. This circuit board combines essential safety and functionality, making it a reliable choice for various electronic projects. Its compact design ensures compatibility with numerous applications, ensuring you get the best performance every time.