Which is better for running an RV air conditioner?

Both have a 30A TT-30R outlet and 4000 W surge, enough to start most 13,500 BTU RV air conditioners. The WEN's higher 3500 W rated output gives more headroom once the compressor is running.

Is propane worth the extra $29 on the Pulsar?

If you store the generator for months between uses, yes. Propane does not go stale or clog the carburetor, and the Pulsar runs on it without modification. If you use gasoline regularly, the WEN saves money and gives more rated watts.

Pulsar rates the GX400BN at 62 dB, and WEN does not publish a dB figure for the GN400i. Pulsar owners report it is louder in practice than the 62 dB claim, so treat the gap as small.

Both use air-cooled 4-stroke engines with low-oil shutdown, so maintenance matters more than brand. The WEN carries a stated two-year warranty; Pulsar's listing does not state one.

Can I run sensitive electronics on either?

Yes. Both are inverter generators with clean sine-wave output. WEN publishes total harmonic distortion under 1.2% at full load, which is safe for laptops and TVs.

Which is easier to move?

The Pulsar at 55 lbs with a telescoping handle and wheels is easier to roll and lift than the 66.1 lb WEN.

Pulsar Dual Fuel Inverter Generator 4000W GX400BN vs WEN RV-Ready 4000-Watt Open Frame Inverter Generator (GN400i)

Buy the WEN GN400i if you want the lowest price and clean power for electronics; it costs $374.99 at WEN Products as of November 5, 2026. Buy the Pulsar GX400BN if you need propane as a backup fuel or a second fuel source; it costs $404.00 at Walmart as of November 5, 2026. The $29 gap is small, so fuel choice matters more than price here.

Today the WEN RV-Ready 4000-Watt Open Frame Inverter Generator (GN400i) costs $29.01 less at its best price.

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