SKU:PMC2001-M
PowerMate Milwaukee M18 to 12V Battery Adapter – Portable Power Supply
PowerMate Milwaukee M18 to 12V Battery Adapter – Portable Power Supply
- Power 12V fuel transfer pumps
- Run sprayers and field equipment
- Perfect for LED lighting
- Works With M18 Batteries
- Built-In On/Off Switch
Order Now - Will Ship By 06/15/2026.
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Features
Features
Regulated 12V Output: Provides consistent and stable power for 12V equipment
20 Amp Capacity: Designed for devices drawing up to 20 amps
Milwaukee Battery Compatibility: Works with Milwaukee M18 batteries (all Ah sizes except High Output 8.0Ah)
Built-In On/Off Switch: Allows quick and easy power control directly at the unit
Integrated Fuse Protection: Helps protect both the converter and connected equipment
Low Battery Protection: Prevents over-discharging the battery to help extend battery life
Built-In Circuit Protections: Designed to protect against overload, over-voltage, overheating, and short circuit conditions
Magnetic Mounting System: Includes (4) 130 lb. pull-force magnets for secure, portable mounting
Powder-Coated Steel Bracket: Durable mounting solution for field and jobsite use
Quick Connect Output Leads: Lever-style connectors for fast and secure wiring
Specs
Specs
Output Voltage: 12V (Regulated)
Maximum Output: 20 Amps
Battery Compatibility: Milwaukee M18 (all Ah sizes except High Output 8.0Ah)
Power Control: Integrated On/Off Switch
Protection: Built-In Fuse, Low Battery Protection, and Integrated Circuit Protections
Output Connection: Lever-Style Quick Connect Terminals
Mounting: Steel Bracket with (4) Magnetic Mounts
Common Applications
Common Applications
- 12V Fuel Transfer Pumps
- Agricultural & Spot Sprayers
- LED Work Lights & Outdoor Lighting
- Portable 12V Power in Truck Beds
- Camping & Off-Grid Lighting Setups
- Small 12V Air Compressors*
- General 12V Accessories (20A or Less)
*Device must draw 20 amps or less for proper operation.
Frequently Asked Questions
Frequently Asked Questions
Q: What batteries are compatible with this Milwaukee M18 battery converter?
A: This converter is compatible with Milwaukee M18 batteries. It is not compatible with High Output 8.0Ah batteries.
Q: What can this 12V power supply run?
A: It powers most 12V equipment drawing 20 amps or less, including fuel transfer pumps, sprayers, LED lights, and other 12V accessories.
Q: Can this power a 12V fuel transfer pump?
A: Yes. This unit is commonly used as a portable power source for 12V fuel transfer pumps. Runtime depends on battery capacity and pump load.
Q: What is the maximum output of this converter?
A: The unit provides a regulated 12V output with a maximum current of 20 amps.
Q: Can it run a 12V air compressor?
A: Yes, it can power small 12V air compressors as long as the amp draw does not exceed 20 amps. Always verify your equipment requirements.
Q: Does this Milwaukee 12V converter have built-in safety protection?
A: Yes. It includes overload, over-voltage, overheat, and short circuit protection for safe and reliable operation.
Q: Does it prevent over-discharging the battery?
A: Yes. Low-voltage protection helps prevent excessive battery drain, helping extend battery life.
Q: Is the 12V output regulated?
A: Yes, it delivers a stable, regulated 12V output for consistent performance across connected devices.
Q: Does this require wiring to a vehicle or external power source?
A: No. This is a fully portable 12V power supply powered directly by a Milwaukee M18 battery.
Q: Can it power high-draw equipment like winches or hydraulics?
A: No. High-amperage equipment exceeding 20 amps is not supported.
Q: How is the unit mounted?
A: It includes a durable powder-coated steel bracket with four high-strength magnets for secure mounting on metal surfaces.

Product Description
The PowerMate Milwaukee M18 to 12V Battery Adapter is a portable power supply designed to run 12V equipment directly from Milwaukee M18 batteries—no wiring, no permanent installation, and no vehicle power source required. It converts battery power into a regulated 12V output for powering sprayers, lighting, pumps, and other 12V accessories.
Built with integrated safety features, including low battery protection to help prevent over-discharging your battery, this unit delivers reliable performance for a wide range of portable power applications.
Ideal for use in the field, at job sites, or off-grid, the PowerMate provides a simple way to power 12V equipment anywhere without relying on vehicle wiring or external power sources.
Built for real-world use, the PowerMate includes a powder-coated steel mounting bracket with high-strength magnets for secure placement on truck beds, toolboxes, or other metal surfaces. The integrated on/off switch and built-in fuse provide safe, controlled operation.
Designed for 12V equipment drawing 20 amps or less, this unit supports most common sprayers, lighting, pumps, and portable power applications.
*Battery Not Included/Sold Separately