MPPT Buck Boost Converter Step Up Down Module with LCD Display

MPPT Buck Boost Converter – Automatic Step Up Down Power Supply Module with LCD Display

Take full control of your DC power regulation with this versatile MPPT Buck Boost Converter Module. Engineered for solar charging systems, lithium battery charging, LED constant-current driving, and regulated bench power supply applications, this all-in-one adjustable board delivers precise voltage and current management through an intuitive LCD display. Made in Mainland China.

Key Features

• Automatic Step Up & Step Down: Seamlessly handles both buck and boost operations in a single compact module — no additional hardware required.
• MPPT Functionality: Built-in Maximum Power Point Tracking (MPPT) adjustment for optimized solar energy harvesting and efficiency.
• Wide Input Voltage Range: Accepts DC 7–80V input, with output adjustable from DC 1.4–79V for maximum flexibility.
• High Current Capacity: Output current adjustable from 0–20A with a display range of 0.00A–20.00A (±0.03A accuracy).
• LCD Digital Display: Clear real-time voltage readout (1.40–80.00V, ±0.1V accuracy) for precise monitoring at a glance.
• Anti-Backflow Protection: Built-in anti-backflow circuit eliminates the need for external diodes when connecting to batteries.
• Constant Current (CC) / Current Limiting: Ideal for safe battery charging and LED driver applications.
• Over-Power Protection (OPP): Automatic output shutoff at 300W with OPP indicator to safeguard your connected devices.
• Triple Adjustment Knobs: Independent controls for MPPT voltage, output voltage, and output current limit — fine-tune each parameter with ease.
• Compact & Lightweight: Measures just 108 × 64 × 48 mm; weighs approximately 208 g (with display) or 194 g (without display).

Specifications

Common Applications

• Professional solar panel charging systems
• Lithium battery chargers
• LED constant-current drivers
• Adjustable regulated bench power supplies
• DIY electronics projects requiring precise voltage/current control

Package Contents

• 1× Buck Boost Converter Module (with or without Digital LCD Display, depending on variant selected)

Note: Only the listed item is included. Color may vary slightly due to lighting and display differences. Measurement tolerance: ±1–3 cm.

For more information on safe DC power conversion standards and electronics safety, visit the U.S. Consumer Product Safety Commission (CPSC). For guidance on electrical component standards, see NIST – National Institute of Standards and Technology.

Frequently Asked Questions

Q: What is a buck boost converter and what makes this MPPT module different?

A: A buck boost converter is a DC-DC power supply module that can both step up (boost) and step down (buck) an input voltage to a desired output level. This MPPT buck boost converter adds Maximum Power Point Tracking, which continuously optimizes the power draw from a source like a solar panel, maximizing efficiency. The onboard LCD display also lets you monitor voltage and current in real time without additional instruments.

Q: Can this module be used to charge lithium batteries directly?

A: Yes. The module supports constant current (CC) mode with adjustable current limiting, making it suitable for lithium battery charging. The built-in anti-backflow protection also means you can connect it directly to a battery without needing a separate blocking diode.

Q: What happens if the output power exceeds 300W?

A: The module features Over-Power Protection (OPP). If the output exceeds 300W, the module will automatically shut off the output and display "OPP" on the LCD screen, protecting both the module and your connected equipment.

Q: Is the LCD display included in every purchase?

A: The module is available in two variants — one with the Digital LCD Display and one without. Please check the variant you select before purchasing. The package contents will reflect your chosen option.