600W DC-DC Buck Converter 12-75V Adjustable CV CC Power Module

Q: How much continuous power can this module handle, and what cooling is required?

The module supports up to 500W of continuous operating power and up to 600W peak, provided it is operated in a well-ventilated environment. The built-in air-cooled design helps manage heat, but for sustained high-power operation, placing the module in an open or actively ventilated enclosure is strongly recommended. Operating temperature range is -10°C to +65°C.

600W DC-DC Buck Converter 12-75V Adjustable CV CC Power Module

$34.50 $46.69

600W DC-DC Step-Down Buck Converter – Adjustable Constant Voltage & Constant Current Power Module

Take precise control of your power supply projects with the Gaqqee SZ-8025CCCV 600W Buck Converter Module. This high-efficiency, non-isolated step-down regulator accepts a wide DC input range of 12–75V and delivers a continuously adjustable output of 2.5–60V at up to 25A — making it ideal for battery charging, LED drivers, motor speed control, lab benches, solar power systems, and DIY electronics projects.

With up to 95% conversion efficiency, an 80kHz switching frequency, integrated solderless terminals, and a built-in blue LED voltage indicator, this module is engineered for both ease of use and reliable long-term performance. Made in Mainland China.

Key Features

Wide Input Range: 12V to 75V DC input for versatile power source compatibility
Adjustable Output: 2.5–60V output voltage (continuously adjustable); output must satisfy: V_out ≤ V_in × 0.8
Constant Current Control: 1–25A output current, continuously adjustable
High Efficiency: Up to 95% conversion efficiency (varies by input/output voltage differential and current load)
Maximum Output Power: 600W peak (well-ventilated environment); 500W continuous (ventilated environment)
Short-Circuit Protection: Yes — constant current limiting protects connected loads
Air-Cooled Design: Efficient thermal management for sustained operation
Blue LED Indicator: Visual confirmation of active output voltage
Solderless Terminals: Quick and secure wiring — no soldering required
Compact Form Factor: ~100mm (L) × 60mm (W) × 35mm (H), ~140g net weight

Full Specifications

Model	SZ-8025CCCV
Module Type	Non-isolated Buck (Step-Down) Regulator
Input Voltage	12–75V DC
Output Voltage	2.5–60V DC (adjustable; max ≈ V_in × 0.8)
Output Current	1–25A (continuously adjustable)
Max Output Power	600W (ventilated) / 500W continuous
Switching Frequency	80kHz
Efficiency	Up to 95%
Cooling	Air-cooled
Operating Temp	-10°C to +65°C
Short-Circuit Protection	Yes (constant current limiting)
Input Reverse Polarity Protection	No — observe correct polarity
Output Back-Feed Protection	No — add a back-feed diode when charging batteries or driving inductive loads (e.g. motors)
LED Indicator	Blue LED (output voltage active)
Wiring	Integrated solderless terminals (IN = input, OUT = output)
Dimensions	~100 × 60 × 35mm
Net Weight	~140g
Origin	Made in Mainland China

⚠️ Important Usage Notes

This is a buck (step-down) converter only — output voltage must always be lower than input voltage. Never exceed input voltage limits.
No input overvoltage or undervoltage protection — ensure your power source is within the 12–75V range at all times.
When driving inductive loads (motors, relays) or charging batteries, a back-feed protection diode must be installed on the output to prevent reverse current damage.
Always operate in a well-ventilated environment to maintain maximum performance and longevity. Do not exceed 500W continuous without adequate airflow.
Observe correct input polarity — no reverse polarity protection is built in.

What's in the Box

1× 600W DC-DC Buck Converter Power Module (SZ-8025CCCV)

Frequently Asked Questions

Q: What is the maximum safe output voltage for this 600W buck converter with a 48V input?

A: With a 48V DC input, the maximum output voltage is approximately 48V × 0.8 = 38.4V. The module's output must always satisfy the condition: V_out ≤ V_in × 0.8. The output voltage is continuously adjustable down to a minimum of 2.5V.

Q: Can I use this DC-DC step-down module to charge lithium or lead-acid batteries?

A: Yes — this module's adjustable constant current (CC) and constant voltage (CV) modes make it well-suited for battery charging applications. However, because there is no built-in output back-feed protection, you must add an external back-feed protection diode on the output when connecting any battery or inductive load to prevent reverse current from damaging the module.

Q: How much continuous power can this module handle, and what cooling is required?

A: The module supports up to 500W of continuous operating power and up to 600W peak, provided it is operated in a well-ventilated environment. The built-in air-cooled design helps manage heat, but for sustained high-power operation, placing the module in an open or actively ventilated enclosure is strongly recommended. Operating temperature range is -10°C to +65°C.

Q: Does this module work with solar panels or variable DC sources?

A: It can work with any DC source that stays consistently within the 12–75V input range. Note that there is no input undervoltage or overvoltage protection built in, so it is important to ensure your source voltage remains stable and within spec. For solar applications, a charge controller or input regulation stage may be advisable to protect the module from voltage spikes.

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.