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- Cummins Onan P4500i 3700W/4500W Remote Start Portable Gas Inverter Generator
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The Cummins Onan P4500i is a gas inverter generator rated at 4,500 watts, built for RVers and campers who want clean power for electronics. It stands out with remote start, a 3.4-gallon tank and a claimed 18-hour runtime at quarter load, plus a 30A TT-30R outlet for RV hookups. At 95 lbs with wheels and a telescoping handle it is movable but heavy to lift alone. Rivals like the Honda EU3000iS and Champion inverters are quieter or lighter, while the P4500i leans on remote start and RV-ready outlets. Owners praise the power and convenience but report mixed reliability and louder-than-claimed noise.
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Lowest price we've seen: $1,078.65 on Nov 9 at Camping World. Tracked across 3 stores since Nov 9.
Owners like the remote start, RV outlet and runtime, but reception is mixed. A recurring share of buyers report starting or running problems and louder-than-expected noise, which pulls the average down.
