4125W Inverter Generator with CO Sensor NV4000iS

Lightweight and whisper quiet operation for power you can easily take on the go. Powered by a 158cc easy-starting OHV engine this inverter will run up to 7 hours on one tank of gas. This inverter can be connected to a second inverter generator using a parallel kit (not included) to double your power output.

4125 starting watts, 3300 running watts and runs for up to 7 hours on a 1.8 gal. gas tank.
58lbs generator with wheels and foldable handle, easy to carry for outdoor & home use
65.7 dBA at 23 feet is perfect for camping, tailgating, or backing up a few home essentials.
CO sense technology provides protection against hazardous carbon monoxide.
Offers triple protection with LED indicators for low oil shutdown, overload, and CO warning.
Connect two inverter generators using a parallel kit (not included) to double your power output.
Two year limited warranty with free lifetime technical support from dedicated experts.

599.99

Where To Buy:

Amazon Walmart

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SPECIFICATIONS
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4125W Inverter Generator Features

PORTABLE WHEELS & TELESCOPING HANDLE: This inverter generator features built-in wheels and a fold-down handle for easy transport. Weighing only 58 lbs, it offers smooth one-person mobility and compact storage, perfect for camping, RV trips, outdoor projects, and home backup.

CLEAN AND RELIABLE POWER: Powered by a durable 158cc 4-cycle OHV engine, this portable generator delivers 4,125 starting watts and 3,300 running watts with under 3% THD for clean, stable power. Includes a 30A RV-ready TT-30R outlet for electronics, RVs, and home backup.

Inverter Generator NV4000iS CLEAN AND RELIABLE POWER

Inverter Generator NV4000iS QUIET OPERATION WITH SMART FUEL SAVINGS

QUIET OPERATION WITH SMART FUEL SAVINGS: Advanced inverter technology and sound reduction design keep noise levels as low as 57 dBA at 23 ft. Economy Mode automatically adjusts engine speed for improved fuel efficiency and longer runtime.

BUILT-IN SAFETY YOU CAN TRUST: Multiple safety protections include low oil shutdown, overload protection, and CO detection. A built-in VRFT meter monitors operating status in real time for safer use.

Inverter Generator NV4000iS BUILT-IN SAFETY YOU CAN TRUST

Inverter Generator NV4000iS LONG RUNTIME FOR ALL-DAY POWER

LONG RUNTIME FOR ALL-DAY POWER: With a 1.8-gallon fuel tank and optimized fuel system, this gas generator provides up to 8 hours of runtime at 25% load, delivering reliable power for overnight use, outdoor activities, and outages.

VERSATILE OUTLETS & PARALLEL READY: Includes 1 RV-ready TT-30R 120V/30A outlet, 2 household 5-20R 125V/20A outlets, and 2 USB ports to power multiple devices. Parallel-ready design allows connection of two compatible generators for increased output.

Inverter Generator NV4000iS VERSATILE OUTLETS & PARALLEL READY

NOVUS TRUSTED SUPPORT AND WARRANTY: Backed by a 2-year limited warranty, lifetime technical support, and readily available replacement parts from our U.S.-based support team.

NV4000iS Inverter Generator Application Scenarios

The NOVUS 4000iS portable inverter generator is powered by a 158cc 4-cycle OHV engine, delivering clean and reliable power. Featuring built-in wheels and a telescoping handle for easy mobility, quiet operation, and fuel efficiency, it is ideal for camping, RV trips, outdoor projects, and home backup power.

NV4000iS Inverter Generator FAQ

A:Your safety is our priority. This generator is equipped with advanced Carbon Monoxide Shutdown Technology. If the built-in sensor detects a dangerous buildup of CO gas—a risk in enclosed or partially enclosed spaces—the system will automatically shut the generator off. This crucial feature provides peace of mind when using the generator for camping, RV trips, or as a home backup power source.

A: Absolutely. It delivers 1800 running watts (2300 starting watts), perfect for charging devices, running small appliances, or powering lights. More importantly, it operates as quietly as 57 dBA from 23 feet away—quieter than a normal conversation. This combination of reliable power and ultra-low noise ensures it won’t disturb your outdoor experience.

Yes. With 1800 running watts and a dedicated 30A RV outlet (L5-30R), it’s ideal for powering your RV’s systems or crucial home devices like refrigerators, fans, and lights. The Smart Power Panel includes two AC outlets and two USB ports for maximum versatility. For extended runtime, the Economy Mode allows it to run for up to 10 hours on just 1.2 gallons of gas.

A：This generator is Parallel Ready. This means you can easily connect a second compatible Novus generator using a parallel kit (sold separately) to double your power output and runtime. This gives you the flexibility to start with one unit and expand your power capacity later for larger jobs or more demanding applications.

A：The Smart Power Panel’s LED indicators offer triple protection by alerting you to three key conditions: Low Oil (auto-shutdown to protect the engine), Overload (protects your plugged-in devices), and CO Warning (critical safety alert). The Economy Mode optimizes fuel efficiency by automatically adjusting the engine speed to match the power demand, saving you money on gas and reducing noise.

NV4000iS Inverter Generator Introduction

Inverter Generator Specifications

AC: 15A

Generator Type	Inverter
Running Wattage	1800 Watts
Surge Wattage	2300 Watts
Rated Voltage	AC:120V
Rated Voltage	DC: 5V
Rated Amperage
Rated Amperage	DC: 2.1A/1.0A
Frequency	60Hz
Phase	Single
Grounding Type	Neutral Floating
Operating Altitude	Under 6562 ft.
Rated Run Time (max)	10 hours @25% load
Weight	39.7 lb.
Dimensions	Length: 17.9″
	Width:11.6″
	Height: 17.9″

Engine Specifications

Engine Model	WM148F/P
Engine Displacement	79.7cc
Engine Type	4-Stroke, Air Cooled,Overhead Valve (OHV)
Fuel Type	Fresh, clean regular unleaded gasoline with a minimum octane rating of 87 and ethanol content of no more than 10% by volume.
Fuel Capacity	1.2 gal.(4.5L)
Spark Plug	E5RTC-Torch
Spark Plug Gap	0.030(0.7-0.8mm)
Oil Type	SAE 10W-30
Oil Capacity	12 fl oz (0.35 L)