Type-C 2S 4A 8.4V Lithium Battery Charger Board

High Current Type-C 2S 8.4V 4A Lithium Battery Charging Module

The High Current Type-C 2S 8.4V Lithium Battery Charging Module is the perfect solution for users looking for fast, safe, and efficient charging for their 2S 18650 lithium battery packs. Designed with a modern USB Type-C input, this module can deliver up to 4A charging current, ensuring faster charging times while maintaining optimal battery health. Whether you are building a DIY power bank, upgrading a robotic system, or developing a portable electronic device, this charger module from Bigyan Project ensures reliability and performance at a competitive price in Bangladesh.

Product Specifications

Features

• High 4A input current support for faster charging
• Type-C USB port for easy connectivity
• Built-in overcharge, overcurrent, and short-circuit protection
• Compact and lightweight design ideal for portable applications
• Durable PCB construction for long-term use
• Wide operating temperature range suitable for various environments

Applications / Use Cases

• DIY power bank projects
• Portable battery-powered devices
• Robotics battery packs
• RC cars and drones battery charging
• Solar energy storage systems
• Educational electronics projects at schools and universities

User Guide / How to Use

• Connect the USB Type-C input to a DC 5V power source
• Connect your 2S 18650 lithium battery pack to the output terminals
• Monitor the charging process; the module automatically stops charging when full
• Ensure proper polarity and voltage match to avoid damage

Frequently Asked Questions (FAQs)

• Can I use this module for 3S battery packs? No, this module is designed strictly for 2S 8.4V lithium battery packs only.
• What is the maximum input voltage supported? The maximum input voltage is 6V; recommended is 5V for safe operation.
• Does it have overcharge protection? Yes, built-in overcharge, overcurrent, and short-circuit protections are included.
• Can I charge other types of batteries? This module is optimized for lithium-ion 2S battery packs only.

Challenges and Considerations

• Requires a stable 5V input to avoid charging errors
• Heat dissipation should be considered when charging at high current
• Incorrect polarity connection can damage the module and battery
• It is essential to use good quality 18650 cells for better performance

Compatibility

• Compatible with 2S (7.4V nominal, 8.4V fully charged) 18650 lithium battery packs
• Works with most portable 5V USB chargers and power adapters
• Can be used with solar panels supplying stable 5V output

Future Enhancement Options

• Adding indicator LEDs for charging status monitoring
• Integrating temperature sensing for thermal protection
• Improved waterproof and dustproof enclosures for outdoor use
• Support for smart BMS integration for intelligent battery management

Benefits

• Ensures safe and fast charging of lithium batteries
• Minimizes project build size due to compact design
• Reduces battery wear with built-in smart protections
• Easy to integrate into any custom electronics or DIY project
• Affordable solution available at Bigyan Project for students and makers in Bangladesh

Conclusion

The High Current Type-C 2S 8.4V Lithium Battery Charging Module is an essential component for anyone working with 2S lithium battery-powered projects. Its fast charging capability, multiple safety protections, and USB Type-C interface make it a superior choice for hobbyists, developers, and students alike. Available now at Bigyan Project, this module offers outstanding performance and reliability, helping you complete your electronics projects with confidence and efficiency.