2A DC J5019 Boost Converter with 18650 Charger Module Micro USB Port

2A Adjustable DC-DC Boost Converter with 18650 Lithium Battery Charger Module

The 2A DC-DC Boost Converter with 18650 Lithium Battery Charger is a compact and highly efficient power management module designed for modern electronics and DIY applications. This module combines two essential functions: a step-up (boost) voltage converter and a 18650 Li-ion battery charging circuit. It allows you to take a low DC input voltage and convert it into a higher adjustable output while safely charging a 3.7V lithium battery.

This module is widely used in Bangladesh (BD) by students, hobbyists, and engineers working on robotics, solar energy systems, and portable electronics. At Biggan Project, it is a popular choice for those looking for a reliable and cost-effective power solution for DIY and educational projects.

With its adjustable output voltage and stable performance, this boost converter ensures flexibility across multiple applications, making it an essential component for electronics development in Bangladesh.

Product Specifications

Features

• Dual functionality: boost converter and lithium battery charger in one module
• Wide adjustable output voltage range up to 27V
• Stable and efficient power conversion
• Supports 18650 Li-ion battery charging
• Compact size suitable for small projects
• Easy to integrate into DIY circuits

Applications / Use Cases

• DIY electronics and robotics projects
• Solar-powered battery charging systems
• Portable power banks and backup power supplies
• Arduino and microcontroller-based systems
• Voltage boosting for sensors and modules
• Educational and lab experiments in Bangladesh

User Guide / How to Use

• Connect input power (4.5V–8V) to the VIN+ and VIN- terminals
• Connect a 3.7V 18650 battery to BAT+ and BAT-
• Adjust the output voltage using the onboard potentiometer
• Connect your load to OUT+ and OUT- terminals
• Ensure correct polarity before powering the module
• Avoid exceeding current limits for safe operation

Frequently Asked Questions (FAQs)

• Q: Can I use this module with a solar panel?
  A: Yes, it supports solar input within the 4.5V–8V range.
• Q: Is this suitable for power bank projects?
  A: Yes, it can be used in DIY power bank designs with proper configuration.
• Q: Does it support fast charging?
  A: Charging current is up to 1A, so it is standard charging, not fast charging.
• Q: Can I get 12V output from this module?
  A: Yes, the output voltage is adjustable up to 27V.

Challenges and Considerations

• Input voltage must remain within the specified range
• Heat may generate under high load conditions
• Not suitable for high-power industrial applications
• Requires careful voltage adjustment before use

Compatibility

• 18650 Li-ion batteries (3.7V)
• Solar panels (within supported voltage range)
• Arduino and other microcontroller platforms
• Various DC-powered electronic modules

Future Enhancement Options

• Add a heat sink for better thermal performance
• Integrate with battery protection circuits
• Use with enclosure for portable device design
• Combine with display module for voltage monitoring

Benefits

• Cost-effective solution available in Bangladesh
• Multi-functional design reduces component count
• Ideal for students and hobbyists
• Flexible voltage output for various applications
• Reliable performance for DIY electronics

Conclusion

The 2A DC-DC Boost Converter with 18650 Charger Module is a versatile and essential component for anyone working with electronics in Bangladesh. Whether you are building a robotics project, solar charger, or portable power system, this module from Biggan Project provides a dependable and efficient solution for your power needs.

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