Cummins 4000W Modified Sine Wave Inverter 12V to 110V - 4 AC Outlets, Bluetooth Monitoring

The Cummins CMN4000W is a 12V-to-110V modified sine wave inverter that delivers 4,000W continuous power (up to 8,000W surge) with four AC outlets, two USB ports, Bluetooth monitoring, and a full battery cable kit for vehicle and off-grid use.

Whether you're rigging a truck for long-haul work, upgrading a campervan, or setting up backup power for outdoor gear, this Cummins inverter turns a vehicle battery into household AC power. Built for mobile lifestyles, it blends heavy-duty output, remote app monitoring, and plug-and-play installation so you can run microwaves, TVs, power tools, and charge phones while off the grid.

How much power can this inverter actually run?

The CMN4000W supplies 4,000 watts of continuous AC power and supports surge starts up to 8,000 watts for short periods, enough for many high-draw appliances. It converts 12V DC from a vehicle or battery bank into 110V AC for everyday electronics and equipment.

• Continuous output: 4,000 watts for sustained loads
• Peak/surge capacity: up to 8,000 watts for motor or compressor starts
• Four AC 110V outlets to run multiple devices simultaneously
• Compatible with vehicle batteries and solar-charged battery systems

Can I control and monitor the inverter remotely?

Yes — the inverter includes Bluetooth connectivity and a free smartphone app for Android and iOS. The app lets you view battery voltage, output power, and temperature, and it enables remote on/off and safety setting adjustments for under-voltage and overload protection.

• Bluetooth-enabled monitoring and control from a phone
• Real-time readouts: battery voltage, output wattage, temperature
• Remote safety settings: undervoltage, overload limits, and shutdown
• Wireless power-on/off for convenience and quick troubleshooting

What ports and protections does it provide?

The unit includes four covered 110V AC sockets plus one USB-C 18W and one USB-A 2.4A port for charging mobile devices. Built-in safety features protect the inverter and connected devices from short circuits, overloads, and abnormal battery conditions so you can use it with confidence.

• Four protected AC outlets with port covers to keep dust out
• USB-C 18W and USB-A 2.4A for phones and tablets
• Integrated protections: short-circuit, overload, undervoltage safeguards
• Designed for vehicle and portable power setups—suitable for solar-charged battery banks

How easy is installation and what’s included?

The CMN4000W is shipped with a full cable kit including 36-inch battery cables so you can connect directly to your vehicle battery right away. The straightforward wiring and protective covers make setup fast; follow the included instructions and secure connections for safe operation.

• Full cable kit included for immediate vehicle battery hookup
• 36-inch battery cables for direct connection to a battery or bank
• Protective covers for AC outlets and clear status indicators
• Officially licensed Cummins branding and rugged build for mobile use

Who this is for: The Cummins CMN4000W suits professional drivers, vanlifers, campers, and anyone needing reliable high-wattage AC power from a 12V source. It’s aimed at users who want heavy-duty continuous output, remote monitoring from their phone, and a ready-to-install kit so they can power appliances, tools, and electronics on the road or at a job site.