Cummins 120W 12V Inverter with USB-C & AC Outlets

The Cummins CMN120D is a compact 120-watt DC-to-AC plug-in inverter that converts a vehicle’s 12V cigarette/socket power into two AC outlets plus USB and USB-C charging for small electronics.

Keep phones, tablets, small laptops and portable gadgets powered during road trips, work at the job site, or when camping. This officially licensed Cummins accessory plugs directly into a truck or car 12V socket and provides continuous modified-sine AC power up to 120 watts, along with modern USB and USB-C fast-charging ports. Built-in safety features protect connected devices from short circuits and overloads, while a backlit switch and swivel plug add convenience in tight or dark spaces.

How quickly will this inverter charge my phone or tablet?

The CMN120D includes a standard 2.4A USB port and a faster 3.0A (18W) USB-C port for quicker charging compared with older single-port adapters. Actual charge speed depends on your device’s charging profile, cable quality, and remaining battery level.

• USB: 2.4A suitable for most smartphones and smaller tablets
• USB-C: 3.0A/18W for faster charging compatible phones and accessories
• AC outlets: up to 120W continuous for small laptops and gadgets

Can I power a laptop or other devices from my vehicle with this inverter?

Yes — the inverter delivers up to 120 watts continuous, which supports many lightweight laptops, tablets, handheld consoles and other low-draw appliances. Larger devices or high-power appliances (hair dryers, large chargers, power tools) exceed the unit’s capacity and should not be used.

• Suitable for: phones, tablets, small laptops, gaming handhelds, camera chargers
• Not suitable for: high-watt heaters, microwaves, large power tools
• Built-in protections prevent damage from overload or short circuit

How does the design make it easy to use in a vehicle at night or tight spaces?

The CMN120D features a swiveling plug to change the angle for different socket positions and a backlit power button for visibility in low light. Its compact footprint keeps the unit out of the way in crowded dashboards or consoles.

• Swivel plug lets you rotate the unit to avoid obstructions
• Backlit on/off button for quick visibility at night
• Compact size fits most vehicle consoles and cupholder areas

What safety features are included to protect my devices and vehicle?

The inverter includes overload and short-circuit protection to reduce risk to attached electronics and the vehicle electrical system. It uses a modified sine wave output and recommended usage limits to ensure stable, continuous power for supported devices.

• Short-circuit protection for connected devices
• Overload protection to shut down if wattage limits are exceeded
• Modified sine wave output designed for everyday electronics

Who is this for: Drivers, tradespeople, and outdoor enthusiasts who need reliable, portable power for small electronics while on the road. The Cummins CMN120D is ideal if you want a compact, officially licensed inverter with both AC outlets and modern USB-C fast charging for phones, tablets, small laptops and accessories without carrying larger inverter systems.