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Best ultralight for backpacking or a single CPAP

Honda EU1000i

The smallest thing in this catalog — a phone charger and a light, not a fridge.

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Specs

Running watts900 W
Starting watts1,000 W
TypeInverter
FuelGasoline
Weight28.7 lb
Noise (mfr figure)42 dBA
Fuel tank0.55 gal
Runtime (mfr claim)up to ~6.8 h at 1/4 load
Outlets120V 15A duplex
StartRecoil
Parallel capableYes
CO safety shutoffNo
Typical street price~$999 (as of July 2026 — check listing for current price)

Figures are the manufacturer's published specs; dashes mean the maker doesn't publish a number. Verify against the current datasheet before you buy.

What can it actually run?

Checked with the same math as our calculator: total running watts, plus the single largest motor surge on top. “Tight” means it technically fits but the load sits above 80% of rated output — fine briefly, not where you want to live.

The installer's take

900W running is enough for a laptop, a CPAP, a couple of lights, or charging phones — genuinely nothing more, and that's by design. At 28.7 lb it's the one you actually carry rather than wheel, and 42 dBA at 1/4 load makes it close to silent at a campsite. It predates Honda's CO-MINDER system, so there's no built-in carbon-monoxide shutoff — same outdoor-only rule applies as always, just without the automatic backstop the newer EU-series units have.

Pros

  • 28.7 lb — light enough to carry, not just wheel
  • 42 dBA at 1/4 load, closer to silent than quiet
  • Parallel-capable if 900W isn't quite enough

Cons

  • 900W running rules out anything but electronics and light loads
  • No CO-MINDER shutoff — predates that feature
Best for: Solo backpackers, tent campers, and anyone whose entire load is a CPAP and a phone.

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