TANHEYIN 300W Power Inverter for Milwaukee M18 Battery — DC 18V to 110V, PD 65W Type-C, 2 AC Outlets, 2 USB-A, 1 Type-C

Power On the Go with the TANHEYIN 300W Inverter

Meet TANHEYIN's compact 300W power inverter, a practical companion designed to turn a Milwaukee M18 battery into a reliable on the go power source. It converts DC 18V from the battery into standard AC power (110–120V), so you can run everyday essentials like smartphones, laptops, tablets, radios, fans, work lights, and other small electronics wherever you are. The unit’s slim footprint—measuring 4.8 x 3 x 1.8 inches—supports easy packing for camping, road trips, or a dependable backup at home during outages.

In practice, this inverter helps you stay connected and productive when traditional outlets aren’t available. It blends a compact form with a practical power range, letting you plan activities with less worry about charging on the move.

Versatile ports for flexible charging

• Two AC outlets provide flexible power for multiple devices up to a total of 300W
• Type-C PD 65W fast charging supports compatible phones, tablets, and laptops
• USB-A port on the inverter (18W max) for quick charging of accessories
• Optional battery adapter adds a USB-A port (5V 3A) and a Type-C port (PD 20W max)
• When both Type-C and USB-A ports are used together, output is shared as 5V 2A (10W max)

Battery compatibility and setup

• Designed to work with Milwaukee 18V batteries, including popular models such as 48-11-1815, 48-11-1820, 48-11-1828, 48-11-1840, 48-11-1850, and more
• Slide the adapter into the battery slot and lock it in place to power connected devices on demand
• Battery not included; verify compatibility with your existing Milwaukee kit

Smart safety and reliable protection

• Built in a smart control chip with protections for low and high voltage, over current, overload, short circuit, and overheat
• Automatic AC cutoff when input DC drops below 15.5V to prevent unnecessary discharge
• If input falls below 15V, all power functions stop to protect components

Portability, cooling, and real-world use

• Compact, light design makes it easy to carry on trips or keep as a home backup
• Built-in cooling fan starts when the inverter is on, supporting steady operation
• Best for camping, daily outings, emergency preparedness, or simple on-the-go charging needs

Note that while this inverter expands your power options, it is best suited for devices within the 300W total limit. The combination of Milwaukee battery compatibility, multiple ports, and thoughtful safety features helps create a flexible, on-the-go power solution without overpromising results.