XL4015 5A Lithium Battery Charging Module

XL4015 5A Lithium Battery Charging Module is a high-performance DC-DC step-down (buck) charging module designed for safe, fast, and efficient charging of Lithium-ion (Li-ion) and Lithium-polymer (Li-Po) batteries. Built around the reliable XL4015 switching regulator IC, this module supports constant current (CC) and constant voltage (CV) charging, making it ideal for DIY electronics, power supply projects, embedded systems, and battery-powered applications.

With an adjustable output voltage and adjustable charging current up to 5A, the XL4015 charging module delivers excellent efficiency (up to 96%) while minimizing heat dissipation. It includes onboard over-current protection, thermal protection, and short-circuit protection, ensuring safe operation and long battery life. Whether you are building a portable power bank, solar battery charger, or robotics power system, this module provides a compact and cost-effective charging solution.

Key Features of XL4015 5A Lithium Battery Charging Module

• High Output Current up to 5A
  Supports fast charging of high-capacity lithium batteries, reducing charging time significantly.

• CC/CV Charging Mode
  Automatically switches between constant current and constant voltage, ensuring safe and reliable lithium battery charging.

• Wide Input Voltage Range (5V–36V)
  Compatible with various power sources such as adapters, solar panels, SMPS, and bench power supplies.

• Adjustable Output Voltage (1.25V–32V)
  Easily tune the output voltage using onboard potentiometer to match battery requirements.

• High Conversion Efficiency (up to 96%)
  Minimizes power loss and heat generation, making it suitable for continuous operation.

• Built-in Protection Features
  Includes over-current, thermal shutdown, and short-circuit protection for enhanced safety.

• LED Charging Indicators
  Onboard LEDs display charging and fully charged status for user convenience.

• Compact and Robust Design
  Thick PCB traces, quality components, and a heatsink-ready layout ensure durability.

Technical Specifications

• Controller IC: XL4015

• Input Voltage: 5V to 36V DC

• Output Voltage: 1.25V to 32V DC (adjustable)

• Maximum Output Current: 5A (recommended ≤4A continuous without heatsink)

• Charging Mode: Constant Current (CC) / Constant Voltage (CV)

• Conversion Efficiency: Up to 96%

• Ripple Voltage: <50mV (typical)

• Operating Frequency: 180 kHz

• Operating Temperature: –40°C to +85°C

• Protection: Over-current, short-circuit, thermal protection

• Indicator LEDs: Charging / Full charge status

• Dimensions: Approx. 50 mm × 26 mm × 18 mm

Applications of XL4015 5A Lithium Battery Charging Module

The XL4015 lithium battery charging module is widely used across hobbyist, educational, and industrial applications, including:

• Li-ion and Li-Po Battery Charging Circuits

• DIY Power Bank Projects

• Solar-Powered Battery Charging Systems

• Robotics and Automation Power Supplies

• Electric Vehicles (EV) Auxiliary Battery Chargers

• Portable Electronic Devices

• Embedded Systems and IoT Projects

• Laboratory and Test Bench Power Modules

• UPS and Backup Power Systems

Its flexibility and reliability make it suitable for both single-cell and multi-cell lithium battery packs when configured correctly.

Why Choose XL4015 5A Charging Module?

The XL4015 5A Lithium Battery Charger Module stands out for its high current capability, efficiency, and robust protection features. Compared to linear chargers, it offers lower heat dissipation, higher efficiency, and greater input voltage flexibility. This makes it an excellent choice for demanding applications where performance and safety are critical.

Whether you are a student, hobbyist, engineer, or product developer, this module provides a reliable and economical solution for lithium battery charging needs.

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