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20A 300W Step-Down Power Supply for Battery Charging and LED Use

Description

This step-down power supply module converts input voltages from 6-40V DC to a adjustable output of 1.2-35V DC, making it suitable for battery charging and driving high-power LEDs.

In practical use, it's helpful for electronics enthusiasts working on projects like charging lithium batteries or powering LED lights, where stable voltage and current are essential to prevent damage and ensure reliable performance.

  • Adjustable output voltage from 1.2-35V DC and current up to 20A, allowing precise control for various applications.
  • Constant current and voltage modes for safe charging of batteries like lithium or nickel-metal hydride.
  • High conversion efficiency of around 96%, reducing heat and energy loss during operation.
  • Short circuit protection to safeguard both the module and connected devices.
  • Compact size of 60x53x30mm, weighing about 85g, for easy integration into projects.
  • Requires a fan for cooling if temperatures exceed 65 degrees during high-load use.

This module fits well in DIY electronics setups where a dependable DC-DC step-down converter is needed for inputs above the desired output voltage.

20A 300W Step-Down Power Supply for Battery Charging and LED Use

Product form

This step-down power supply module converts input voltages from 6-40V DC to a adjustable output of 1.2-35V DC, making it... Read more

$21.33 Excl. VAT

    • Shipped today? Order within: Jun 05, 2026 17:00:00 -0400

    Description

    This step-down power supply module converts input voltages from 6-40V DC to a adjustable output of 1.2-35V DC, making it suitable for battery charging and driving high-power LEDs.

    In practical use, it's helpful for electronics enthusiasts working on projects like charging lithium batteries or powering LED lights, where stable voltage and current are essential to prevent damage and ensure reliable performance.

    • Adjustable output voltage from 1.2-35V DC and current up to 20A, allowing precise control for various applications.
    • Constant current and voltage modes for safe charging of batteries like lithium or nickel-metal hydride.
    • High conversion efficiency of around 96%, reducing heat and energy loss during operation.
    • Short circuit protection to safeguard both the module and connected devices.
    • Compact size of 60x53x30mm, weighing about 85g, for easy integration into projects.
    • Requires a fan for cooling if temperatures exceed 65 degrees during high-load use.

    This module fits well in DIY electronics setups where a dependable DC-DC step-down converter is needed for inputs above the desired output voltage.

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