Providing mobile power for your DIY projects has never been easier with the MH-CD42 Power DIY board! This tiny board offers simultaneous charge and discharge, lithium battery protection, and a 4 level LED indicator. Connect any kind of 3.7V Lithium battery to have a 5V output with current up to 2.1A.

When charging, the four-level battery indicator starts with one flashing LED, meaning the battery is less than 25% full. After some time, 2 LED will lit up and the first one would stop flashing. That means your battery is 25% to 49% full. Your battery is fully charged when all 4 LEDs are lit and not flashing. In discharge mode, the same definition applies but in reverse.

• Charging voltage: DC 4.5V-5.5V (recommended DC 5V)
• Charging current : 0-2.1A
• Charging quiescent current: 100uA
• Full voltage: 4.2V+-1%.
• Discharge current: 0-3.5A;
• Discharge quiescent current: 50uA
• Discharge efficiency: 96%
• maximum Output voltage: 5V
• Output current: 0-2.1A;
• Ambient temperature: -20° to +85°
• Module with lithium battery protection function (for lithium battery without protection, with protection board)
• Over-current protection (OCP)
• Overvoltage protection (OVP)
• Short circuit protection (SCP)
• Over-temperature protection (OTP)
• Charge and discharge power level 4 interval indication

In our increasingly mobile world, the demand for portable power solutions is higher than ever. Whether you’re an electronics enthusiast, a maker, or simply someone looking to build a custom power solution, the MH-CD42 Mobile Power DIY Board offers a versatile platform to meet your needs. This blog explores the features, benefits, and applications of the MH-CD42, demonstrating why it’s an essential component for any DIY project.

What is the MH-CD42 Mobile Power DIY Board?

The MH-CD42 is a compact and efficient mobile power board designed to provide a stable DC output of 5V and a maximum current of 2.1A. This specification makes it suitable for powering a wide range of devices, from small electronics to more demanding gadgets like tablets and portable speakers. With its user-friendly design, the MH-CD42 is perfect for hobbyists looking to create custom power banks, charging stations, or even portable devices.

Key Features of Mobile Power

• High Output Current: With an output of 2.1A, the MH-CD42 can handle devices that require a bit more power, making it ideal for tablets and other high-drain devices. This ensures faster charging times and reliable performance.
• Compact Design: The board’s compact size makes it easy to integrate into various projects. Whether you’re building a portable power bank or a charging hub, the MH-CD42’s small footprint is a significant advantage.
• USB Output: Equipped with a standard USB output, the board is compatible with a wide range of devices. This universality means you can power or charge almost any device that uses USB, from smartphones to Bluetooth speakers.
• User-Friendly Interface: The board is designed for ease of use, with clearly marked connections and an intuitive layout. This makes it accessible even for those who may be new to electronics.
• Versatile Applications: The MH-CD42 is not just limited to mobile power solutions. It can be used in various applications, including DIY projects, prototyping, and even educational purposes, making it a valuable tool for anyone interested in electronics.

Benefits of Using the MH-CD42

• Customization: One of the most significant advantages of the MH-CD42 is the ability to customize your power solutions. You can tailor the board to fit your specific project needs, whether it’s a compact power bank for travel or a more extensive charging station for home use.
• Cost-Effective: Building your own power solution can often be more cost-effective than purchasing pre-made options. The MH-CD42 allows you to create a reliable power source without breaking the bank.
• Learning Opportunity: For students and electronics enthusiasts, using the MH-CD42 provides an excellent opportunity to learn about power management, circuit design, and battery integration. It’s a hands-on way to deepen your understanding of electronics.

How to Get Started

Getting started with the MH-CD42 is straightforward. Begin by gathering the necessary components, including a suitable lithium-ion battery, connectors, and a case if desired. Next, follow the provided schematics to assemble your board, making sure to pay attention to polarity and connections. Once set up, you can connect your devices and enjoy the convenience of portable power.

Conclusion

The MH-CD42 Mobile Power DIY Board is an invaluable tool for anyone interested in electronics, from hobbyists to educators. Its high output, compact design, and versatility make it ideal for a wide range of applications. By empowering users to create customized power solutions, the MH-CD42 not only meets the demand for portable energy but also inspires creativity and innovation.

Whether you’re looking to build a new project or enhance your existing devices, the MH-CD42 is a fantastic choice that offers both functionality and fun. So, roll up your sleeves, gather your materials, and unleash your creativity with the MH-CD42!