The Milwaukee 2846-20 M18™ TOP-OFF™ delivers portable AC and USB power for use on job sites where access to standard outlets may be limited. Compatible with any M18™ REDLITHIUM™ battery (sold separately), this compact unit supplies up to 175 watts of continuous power through one 120V AC outlet, one USB-C Power Delivery port, and one USB-A port.
This tool is engineered for trades professionals requiring off-grid charging capabilities for tools, diagnostic equipment, or personal electronics. The integrated metal rafter hook provides easy mounting on tool carts, studs, or rafters.
Key Features
AC and USB Output: Supplies one 120V outlet (175W max), one USB-C PD (45W), and one USB-A port
Simultaneous Charging: Capable of powering or charging up to three devices at once
USB-C PD Efficiency: Provides high-speed charging for compatible devices, up to 75% faster than standard 5W USB chargers
Job Site Ready: Compact footprint with integrated rafter hook for overhead or vertical mounting
Battery Integration: Accepts any Milwaukee M18™ battery for cordless operation (battery not included)
Technical Specifications
Total Output: 175 watts
AC Outlet: 120V grounded receptacle
USB-C PD: 45W output
USB-A: 5V standard output
Weight: 1.1 lbs (without battery)
Mounting: Rafter hook integrated into housing
Application
This power supply is suitable for charging mobile electronics, lighting small tools, or powering low-wattage equipment where generator access is not practical. Contractors can use it in service vehicles, temporary power situations, or in remote interior build-outs. Device wattage should be verified prior to use to prevent overload.