XL4015E1 5A Step-Down Power Module with Display & Crystal Case

XL4015E1 5A Constant Voltage & Current Step-Down Power Module with Display Casing

Take control of your electronics projects with the XL4015E1 5A Step-Down Power Module. This compact yet capable DC-DC buck converter module features a real-time digital display for voltage, current, and power — all housed in a sleek crystal clear protective shell. Whether you're building a DIY power supply, driving LEDs, or charging lithium batteries, this module delivers reliable, adjustable output in one tidy package.

Key Features

• 5A Constant Voltage & Constant Current Output — Stable, adjustable step-down regulation for a wide range of electronics applications
• 3-in-1 Digital Display — Live readout of voltage (V), current (A), and power (W) so you always know what's happening in your circuit
• Crystal Clear Protective Casing — Durable enclosure keeps components safe while keeping the display fully visible
• Built-in USB Interface — Convenient USB port for easy connectivity and charging tasks
• Multi-Function Use — Suitable as an LED driver, lithium battery charger, bench power supply module, and more
• 3 Color Options — Choose the finish that best suits your workspace or project aesthetic
• Compact & Easy to Install — Ready to integrate into your setup straight out of the box

Specifications

• Chip: XL4015E1
• Max Output Current: 5A
• Functions: Constant Voltage (CV), Constant Current (CC), Power Display
• Display: LED digital readout (Voltage / Current / Power)
• Interface: USB
• Casing: Crystal shell enclosure
• Color Options: 3 available variants

What's Included

• 1 × XL4015E1 5A Step-Down Power Module
• 1 × Crystal Shell Casing

Perfect For

• DIY electronics enthusiasts and makers
• Hobbyist bench power supply builds
• LED driver circuits
• Lithium battery charging applications
• Voltage and current regulation projects

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What does the XL4015E1 5A Step-Down Power Module do?

A: The XL4015E1 5A Step-Down Power Module is a DC-DC buck converter that reduces input voltage to a lower, adjustable output voltage while maintaining up to 5A of constant current. It features a real-time digital display showing voltage, current, and wattage, and comes enclosed in a protective crystal shell with a USB interface — making it ideal for LED drivers, lithium battery charging, and DIY bench power supply projects.

Q: What are the three main functions of this module?

A: This module supports three core functions: (1) Constant Voltage (CV) output for stable voltage regulation, (2) Constant Current (CC) output for current-limited applications such as LED driving and battery charging, and (3) a live Power Display showing real-time voltage (V), current (A), and power (W) readings on the integrated LED screen.

Q: Is the crystal casing included, and what does it protect?

A: Yes, the crystal shell casing is included with the module. It encloses the circuit board to protect internal components from dust and accidental contact, while keeping the digital display clearly visible. The casing is available in 3 color variants to suit different preferences.

Q: Does this module come ready to use?

A: Yes, the module arrives pre-assembled with the casing fitted. Simply connect your input power source and load, adjust the output voltage and current to your requirements using the onboard controls, and the display will immediately show live readings. No additional soldering or assembly is required for standard use.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.