800W–1000W DC-DC Bidirectional Buck-Boost Power Supply Module
800W / 1000W High-Power DC-DC Bidirectional Buck-Boost Converter Module
Take full control of your DC power conversion projects with this versatile 800W/1000W bidirectional automatic buck-boost power supply module. Whether you need to step voltage up or step it down, this constant-voltage board handles both directions automatically — making it an essential component for battery charging systems, solar projects, lab benches, and industrial electronics builds.
Key Specifications
- Input Voltage: DC 9V – 58V
- Output Voltage: DC 3V – 56V (fully adjustable)
- Maximum Current: 18A (800W) / 20A (1000W)
- Peak Efficiency: >98%
- EU LVD Rating: Low voltage — below 50V AC or 75V DC
- Made in Mainland China
Features & Benefits
- Automatic Bidirectional Operation: Seamlessly boosts or bucks input voltage to deliver the precise output you need — no manual switching required.
- Adjustable Output Voltage & Current: Dial in exactly the voltage and current your application demands for maximum flexibility.
- Overcurrent & Short-Circuit Protection (Self-Recovery): Built-in safeguards automatically detect and recover from fault conditions, protecting your connected devices and the module itself.
- Overtemperature Protection: Thermal monitoring shuts down the module if temperatures exceed safe limits, preserving component life.
- Temperature-Controlled Cooling Fan: The onboard fan activates only when needed, keeping the module cool during heavy loads while minimizing noise during lighter operation.
- Remote On/Off Control: Easily integrate this module into larger systems with remote enable/disable functionality.
- Constant Current Indicator Light: Visual feedback lets you instantly know when the module is operating in constant-current mode.
- >98% Peak Efficiency: Industry-leading efficiency means less wasted energy and lower heat generation, even at high power levels.
Ideal Applications
- Solar panel charge controllers & energy storage systems
- Battery-to-battery charging (e.g., lithium, LiFePO4, lead-acid)
- DIY variable bench power supplies
- Electric vehicle auxiliary power systems
- Industrial automation & motor drive power conditioning
- Telecommunications & server power distribution
What's in the Box
- 1× DC-DC Buck-Boost Power Supply Module
Notes
- Due to lighting and screen calibration differences, actual product color may vary slightly from images.
- Please allow a tolerance of 1mm–1cm due to manual measurement.
For general electrical safety guidance related to DC power electronics, visit the U.S. Consumer Product Safety Commission (CPSC) for best practices when working with high-power electronics.
Frequently Asked Questions
Q: What is the input and output voltage range of this DC-DC buck-boost module?
A: This bidirectional power supply module accepts an input of DC 9V to 58V and delivers an adjustable output of DC 3V to 56V, making it suitable for a wide variety of power conversion applications.
Q: Does this module automatically switch between boost (step-up) and buck (step-down) modes?
A: Yes. The module automatically determines whether to boost or buck the input voltage to reach the desired output setting — no manual mode switching is required.
Q: What protection features are built into this power supply module?
A: The module includes overcurrent protection, short-circuit protection with self-recovery, and overtemperature protection. A temperature-controlled cooling fan also activates when the module runs hot, helping maintain safe operating conditions.
Q: Can I use this module for battery-to-battery charging, such as in a solar power system?
A: Absolutely. With its wide input/output voltage range and bidirectional buck-boost capability, this module is well-suited for solar charging, battery bank management, and similar energy storage applications.