400W 15A DC-DC Step-Up Boost Converter Module

Q: What is the difference between a step-up and step-down DC-DC converter?

A step-up (boost) converter increases the output voltage above the input voltage, while a step-down (buck) converter reduces it. This 400W module is a step-up (BOOST) type, meaning your output voltage will always be higher than your input voltage. It is ideal when you need to power a device that requires more voltage than your power source provides.

Q: Does this DC-DC boost module include reverse polarity protection?

No, this module does not include input reverse polarity protection. Always double-check that positive and negative terminals are connected correctly before powering the module to avoid damage.

400W 15A DC-DC Step-Up Boost Converter Module | 8.5V–50V

$17.02 $20.59

DC-DC 400W 15A Step-Up Boost Converter Module

Power your projects with precision using this high-efficiency 400W DC-DC Step-Up (Boost) Converter Module. Designed for electronics enthusiasts, engineers, and makers, this non-isolated BOOST module delivers adjustable output voltage and constant current control — making it ideal for laptop charging, battery charging, solar power regulation, DIY power supplies, and more.

With a conversion efficiency of up to 96% and a wide input range of DC 8.5V–50V, this module handles demanding applications with ease. The adjustable output (10V–60V) and constant current range (0.2A–12A) give you full control over your power delivery setup.

Made in Mainland China.

Key Features

Module Type: Non-isolated Step-Up (BOOST) converter
Input Voltage: DC 8.5V – 50V
Max Input Current: 15A (enhance heat dissipation above 8A)
Output Voltage: 10V – 60V (continuously adjustable)
Constant Current Range: 0.2A – 12A
Quiescent Current: ~10mA
Operating Frequency: 150 kHz
Conversion Efficiency: Up to 96%
Operating Temperature: -40°C to +85°C
Overcurrent Protection: Yes
Input Reverse Polarity Protection: No (ensure correct polarity before connecting)
Mounting: 4× 2.55mm screw holes
Module Dimensions: 67mm × 48mm × 28mm (L×W×H)
Weight: ~60g

What's in the Box

1× 400W DC-DC Step-Up Boost Converter Module

Perfect For

Laptop / notebook charging applications
LiPo / lead-acid battery charging
Solar panel power regulation
DIY variable bench power supplies
LED driver circuits
Automotive and robotics power projects

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Frequently Asked Questions

Q: What is the difference between a step-up and step-down DC-DC converter?

A: A step-up (boost) converter increases the output voltage above the input voltage, while a step-down (buck) converter reduces it. This 400W module is a step-up (BOOST) type, meaning your output voltage will always be higher than your input voltage. It is ideal when you need to power a device that requires more voltage than your power source provides.

Q: Does this DC-DC boost module include reverse polarity protection?

A: No, this module does not include input reverse polarity protection. Always double-check that positive and negative terminals are connected correctly before powering the module to avoid damage.

Q: When do I need to add extra heat dissipation to this boost converter?

A: When operating at input currents exceeding 8A, or in high ambient temperature environments, it is recommended to add a heatsink or active cooling fan to the module. The module is rated for ambient temperatures from -40°C to +85°C, but adequate airflow is essential at higher loads to maintain optimal performance and longevity.

Q: Can this module be used to charge laptop batteries?

A: Yes. With an adjustable output voltage of 10V–60V and constant current control up to 12A, this boost converter module is well-suited for notebook and laptop charging circuits, as well as a variety of other battery charging applications.