Gaqqee 60W/120W CNC DC Buck-Boost Converter | MPPT Solar
Gaqqee 60W/120W CNC DC Buck-Boost Converter | MPPT Solar
Gaqqee CNC DC Step-Up/Step-Down Converter – 60W & 120W Models
The Gaqqee CNC DC Buck-Boost Converter is a precision-engineered, adjustable regulated power supply module designed for electronics enthusiasts, engineers, and solar energy applications. Available in 60W (SK60/SK60X) and 120W (SK120/SK120X) variants, this versatile converter supports a wide DC input range of 6–36V and delivers a fully adjustable output of 0–36V with impressive ~88% conversion efficiency.
Whether you're managing solar panel charging, powering lab equipment, or charging rechargeable battery banks, this module delivers professional-grade precision and built-in smart protection features in a compact form.
Key Features
- Dual Power Options: Choose the 60W or 120W model to match your project's power demands.
- Wide Input Range: Accepts DC 6.0–36V input; output adjustable from 0–36V in 0.01V increments.
- MPPT Solar Charging: Built-in Maximum Power Point Tracking (MPPT) for optimized solar panel energy harvesting.
- LCD Display: Large, clear, rounded-character LCD screen for real-time monitoring of voltage, current, and power.
- 10 Data Storage Groups: Save and recall up to 10 custom preset configurations instantly.
- Modbus Protocol Support: Enables serial communication and remote firmware upgrades.
- Built-in Buzzer: Audible button feedback and alarm alerts for safer operation.
- Soft Start: Gradual power ramp-up protects connected loads at startup.
- High-Quality PCB Construction: Premium PCB materials ensure long-term durability and reliable performance.
- CE & RoHS Certified: Meets European safety and environmental standards.
Comprehensive Protection Mechanisms
- Input reverse polarity protection
- Output backfeed protection
- Input undervoltage protection: 5.5–36V adjustable (default 5.5V)
- Output overvoltage protection: 0–38V adjustable (default 38V)
- Output overcurrent protection: up to 6.2A (SK120) / 5.2A (SK60), adjustable
- Output overpower protection: up to 150W (SK120) / 80W (SK60), adjustable
- Over-temperature protection: 0–110°C adjustable (default 95°C)
- Time-out, over-capacity, and over-energy protection — all fully adjustable
Full Technical Specifications
| Input Voltage | DC 6.0–36V |
| Output Voltage | 0–36V (adjustable, 0.01V resolution) |
| Output Current | SK120/SK120X: 0–6.000A | SK60/SK60X: 0–5.000A |
| Output Power | SK120/SK120X: 120W | SK60/SK60X: 60W |
| Conversion Efficiency | Approx. 88% |
| Voltage Accuracy | ±0.5% + 1 digit |
| Current Accuracy | ±0.5% + 3 digits |
| Current Resolution | 0.001A |
| Typical Output Ripple | VPP – 150mV |
| Data Storage Groups | 10 |
| Communication | Modbus protocol |
| Certifications | CE, RoHS |
| Country of Origin | Made in China |
What's in the Box
- Adjustable Buck-Boost Converter Module × 1
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Frequently Asked Questions
Q: What is the difference between the SK60 and SK120 models of this DC buck-boost converter?
A: The SK60/SK60X model supports a maximum output power of 60W with a peak output current of 5.000A (overcurrent protection at 5.2A), while the SK120/SK120X model supports up to 120W with a maximum output current of 6.000A (overcurrent protection at 6.2A). Both share the same input voltage range (DC 6–36V), adjustable output (0–36V), and full feature set including MPPT solar charging, LCD display, and Modbus protocol support.
Q: Can this converter be used for solar panel battery charging?
A: Yes. The Gaqqee CNC DC Buck-Boost Converter includes built-in MPPT (Maximum Power Point Tracking) functionality, making it well-suited for solar charging applications. It also supports an external temperature probe for over-temperature protection and features reverse current protection, ensuring safe and efficient charging of rechargeable battery banks from solar panels.
Q: How do I adjust the output voltage and current settings?
A: The module features a dedicated LCD screen with a user-friendly interface, allowing you to set and fine-tune output voltage (0.01V resolution) and current (0.001A resolution) directly via the onboard controls. You can also save up to 10 custom preset configurations for quick recall. Additionally, Modbus serial communication support allows remote configuration and firmware upgrades.
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.