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12 models · official specs · updated 2026-09-15

The best inverter generators, scored on data

Top pick: Westinghouse iGen4500DFc 4500 Peak Watt Dual Fuel Portable Inverter Generator with Remote Start & CO Sensor (7.7/10) — Highest weighted score in the category — 7.7/10. Portable inverter generators for camping, RVs, and home backup, scored on rated output, noise, runtime, portability, and CO safety shutoff — all from official spec sheets.

Guides: Quietest, ranked by dB → · What size you need →

Bought from the merchant, backed by their warranty and returns — details in our Disclaimer →

All 12 models

Every portable inverter generator, card by card

One card per model — official image, 0–10 data score, key specs. Cards are sorted by score; flip the order with the control below.

Sort by score

Bought from the merchant, backed by their warranty and returns — details in our Disclaimer →

The data

Full spec comparison

Click a column header to sort. The best value in each numeric column is highlighted; ★ marks the highest overall score. How we score: 0–10 from min-max normalized specs — rated output 25% · noise 25% · runtime 20% · portability (weight) 15% · CO safety shutoff 15%. A model missing a spec is scored on the specs it has, with the remaining weights rescaled. Full formula on the methodology page ↗

Product Score Rated (W) Surge (W) Noise (dB, low load) Runtime (h) Weight (lbs) Fuel CO Shutoff CARB
7.7 3,700 4,500 52 18 105.8 dual fuel (gasoline/propane) yes no
6.5 1,800 2,200 48 8.1 47.4 gasoline yes no
6.5 1,800 2,300 52 13 50.6 dual fuel (gasoline/propane) yes no
6.3 1,850 2,500 53 11.5 39.7 gasoline yes no
5.8 2,200 2,500 — 8 48 gasoline yes yes
4.9 1,800 2,200 52 12 46.3 gasoline no yes
4.4 1,600 2,000 53 11 46.3 gasoline no yes
4.0 1,600 2,000 52 7 46 gasoline no —
3.8 3,500 4,500 61 14 103 dual fuel (gasoline/propane) no yes
3.1 1,600 2,000 51 6 — gasoline no yes
2.9 1,800 2,200 59 8 46.5 dual fuel (gasoline/LPG) no yes
2.3 1,000 1,250 51 5 — gasoline no yes

Sources: official brand spec pages, linked from each product page. Data updated 2026-09-15. Prices and availability are shown on Amazon. Bought from the merchant, backed by their warranty and returns.

Tip: add any contender to your Amazon cart while you compare — it stays saved there, with no obligation to buy.

The competition

Why the rest didn't win

The strongest non-winners, explained purely by their metric ranks — no opinions, just where each one lands in the table above.

DuroMax XP2300iH 2300-Watt Dual Fuel Portable Inverter Generator with CO Alert

#3 of 12 overall at 6.5/10 — strongest on CO safety shutoff (#1 of 12), weakest on weight (#7 of 12).

Champion Power Equipment 2500-Watt Ultralight Portable Inverter Generator with Quiet Technology

#4 of 12 overall at 6.3/10 — strongest on CO safety shutoff (#1 of 12), weakest on runtime (#5 of 12).

Generac 8250 GP2500i 2500-Watt Gas Powered Portable Inverter Generator with COsense

#5 of 12 overall at 5.8/10 — strongest on CO safety shutoff (#1 of 12), weakest on runtime (#8 of 12).

Changelog

Recent updates

Aug 13, 2026

Added official brand product images across all categories — comparison-table thumbnails, product-page hero shots, and category cards.

Aug 10, 2026

Added 30 products across 3 new categories — portable solar panels, camping fridges, and inverter generators.

Aug 10, 2026

Published per-metric score breakdowns on all 42 product pages.

Aug 9, 2026

Launched transparent spec-scoring across 12 portable power stations.

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