300W Voltage Regulator – 18V Battery Compatible Power Converter with Adjustable Voltage Output

300W Adjustable Voltage Regulator for 18V Power Tool Batteries

Turn compatible 18V lithium-ion power tool batteries into a versatile portable DC power source. With adjustable 2–30V output, multiple charging ports, real-time LCD monitoring and built-in safety protection, this compact power converter is ideal for DIY electronics, outdoor projects, LED lighting and emergency power needs. Battery not included.

2–30V Adjustable DC Output

Adjust the DC output from 2V to 30V for a wide range of compatible devices. Supports up to 25A below 12V and delivers up to 300W maximum output power for suitable low-voltage equipment and DIY applications.

Multiple Power Output Options

Includes an XT60 cable, cigarette lighter socket and wire terminal, giving you flexible connection options for LED strips, small DC devices, electronics projects and other compatible equipment.

Triple Fast Charging Outputs

• 140W USB-C PD 3.1: For compatible laptops, tablets and high-power devices
• 18W USB-A QC 3.0: For phones, cameras and accessories
• 15W Magnetic Wireless Charging: For compatible smartphones

1.9" Real-Time LCD Display

The large 1.9-inch LCD screen displays voltage, current, output power, battery level and internal temperature in real time, helping you monitor operating conditions at a glance.

Simple & Precise Controls

Easy-access control buttons allow quick voltage adjustments and preset selection, making it simple to match the output to compatible low-voltage devices.

Built-In Safety Protection

Designed with multiple protection features including short-circuit, overcurrent, low-voltage, overheating, overload and over-discharge protection. An integrated cooling fan helps dissipate heat and maintain stable performance during use.

Ideal for Portable Power

• DIY electronics projects
• LED strips and lighting
• Outdoor and camping equipment
• Small DC-powered devices
• Emergency backup power
• Laptop and mobile device charging

Key Specifications

• Compatible Battery Type: Selected 18V lithium-ion power tool batteries
• Adjustable Output: 2–30V DC
• Maximum Output Power: 300W
• Maximum Current: Up to 25A below 12V
• USB-C Output: Up to 140W PD 3.1
• USB-A Output: Up to 18W QC 3.0
• Wireless Charging: Up to 15W
• Display: 1.9" LCD
• Cooling: Integrated fan
• Battery Included: No

Important Notes

• Check device voltage and power requirements before connecting.
• Do not exceed the rated voltage, current or maximum power output.
• Not recommended for high-power children's ride-on vehicles.
• Wireless charging requires a compatible device and correct alignment.
• Power tool battery is sold separately.