Pulsar - GX400BN 4000W Portable Dual Fuel Inverter Generator Ultra Quiet RV Ready Parallel Capable Wheels CO Sensor
About this product
The GX400BN delivers portable, dependable power with the flexibility to run on either gasoline or propane. Designed for quiet operation and clean, stable electricity, it’s a reliable choice for RV trips, camping, tailgating, emergency power, and even powering a 13,500 BTU RV air conditioner. With inverter technology, CO safety protection, and a full suite of outlets, this unit is built for performance, safety, and convenience.
Features
Dual Fuel Capability
Produces 4,000W peak / 3,200W rated on gasoline, or 3,600W peak / 2,800W rated on propane, giving you flexibility when fuel availability changes.
Engine Performance
Powered by a 149cc OHV 4-stroke engine, delivering reliable performance and efficiency for a range of applications.
Noise Level
Operates at just 62 dB, keeping noise to a minimum for campgrounds, RV parks, and residential areas.
Clean Power Output
Inverter technology delivers a stable sine wave that’s safe for sensitive electronics like laptops, TVs, and mobile devices.
Run Time
Runs up to 8 hours of operation at half load, allowing extended use without frequent refueling.
Specifications
- BrandPulsarModel NumberGX400BNProduct NameGX400BN 4000W Portable Dual Fuel Inverter Generator Ultra Quiet RV Ready Parallel Capable Wheels CO SensorAmperage26.6 amperesVoltage Rating120 voltsFuel TypeGasoline, Liquid propane
Reviews
Rating 5 out of 5 stars with 1 review
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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The GX400BN delivers portable, dependable power with the flexibility to run on either gasoline or propane. Designed for quiet operation and clean, stable electricity, it’s a reliable choice for RV trips, camping, tailgating, emergency power, and even powering a 13,500 BTU RV air conditioner. With inverter technology, CO safety protection, and a full suite of outlets, this unit is built for performance, safety, and convenience.

The POWERSMART 3200W inverter generator delivers 4000 starting watts and 3200 running watts with pure sine wave output – safely power medical devices, CPAP machines, or high-end electronics without worry. ECO mode automatically adjusts engine speed to save fuel and extend runtime. A 1.3-gallon tank provides 4.75 hours of run time at 50% load – plenty for an evening of tailgating or overnight backup. The built-in multi-function meter shows fuel level, load status, and total run time at a glance – so you always know when to refuel, balance your power draw, or track maintenance intervals. The panel includes two three‑prong 120V 20A outlets, one 120V 30A outlet (RV ready), one 12V DC outlet, and two 5V USB ports – charge phones, run lights, and power small appliances all at once. Parallel ready: connect two units for double the output, perfect for larger RVs or home essentials. EPA‑certified, with low‑oil shutdown and overload reset for worry‑free operation. Includes a 2‑year warranty and lifetime technical support.

The Pulsar GD400BN packs a big punch in a small package. This unit operates at 4,000 peak watts and 3,200 running watts while weighing only 47 pounds. The smaller footprint makes transportation and storage simple and a prime choice for home, work, and recreational activities. This super quiet generator is RV ready and an ideal choice for air conditioning units up to 13,500 BTU. Inverter technology delivers a stable sine wave making the GD400BN a perfect option to power most of your sensitive electronics. Need more power? Parallel capability allows you to link two units together to double your output.

This advanced dual-fuel inverter generator delivers 3800W on gasoline and 3500W on LPG, combining powerful performance with whisper-quiet operation. Designed for noise-sensitive environments, stable power output. The intelligent dual-fuel system allows seamless switching between gasoline and LPG based on availability, cost, or environmental considerations. With its compact design and ultra-quiet operation (70dB at 23 feet), this generator is perfect for camping trips, RV use, home backup, and outdoor events where peace matters.














































