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Reviews

Single-unit reviews built from manufacturer-published specifications.

EcoFlow RIVER 3 Plus Review: Specs, Runtime, and Who It’s For (2026)

September 22, 2026September 22, 2026 by CalmWatt Research
EcoFlow RIVER 3 Plus: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow RIVER 3 Plus: 286 Wh and 600 W continuous, 1,200 W surge, 10.4 lb, $299 list. Published specs, calculated runtimes, and the gaps the maker leaves.

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EcoFlow RIVER 3 Review: Specs, Runtime, and Who It’s For (2026)

September 21, 2026September 21, 2026 by CalmWatt Research
EcoFlow RIVER 3: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow RIVER 3: 245 Wh and 300 W continuous, 600 W surge, 7.8 lb, $219 list. Every published spec, calculated runtimes, and what the maker leaves unstated.

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EcoFlow RIVER 2 Pro Review: Specs, Runtime, and Who It’s For (2026)

October 1, 2026September 21, 2026 by CalmWatt Research
EcoFlow RIVER 2 Pro: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow RIVER 2 Pro: 768 Wh and 800 W continuous, 18.2 lb. Every published specification, calculated runtimes, and the figures the maker leaves unstated.

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EcoFlow RIVER 2 Review: Specs, Runtime, and Who It’s For (2026)

October 1, 2026September 20, 2026 by CalmWatt Research
EcoFlow RIVER 2: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow RIVER 2: 256 Wh and 300 W continuous, 600 W surge, 7.7 lb, $209 list. Every published spec, calculated runtimes, and what the maker leaves unstated.

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EcoFlow DELTA Pro 3 Review: Specs, Runtime, and Who It’s For (2026)

October 1, 2026September 20, 2026 by CalmWatt Research
EcoFlow DELTA Pro 3: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow DELTA Pro 3: 4,096 Wh and 4,000 W continuous, 8,000 W surge, 113.54 lb. Every published spec, calculated runtimes, and what the maker leaves unstated.

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EcoFlow DELTA Pro Review: Specs, Runtime, and Who It’s For (2026)

October 1, 2026September 19, 2026 by CalmWatt Research
EcoFlow DELTA Pro: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow DELTA Pro: 3,600 Wh and 3,600 W continuous, 7,200 W surge, 99 lb, $2,799 list. Published specs, calculated runtimes, and the gaps the maker leaves.

Categories Reviews

EcoFlow DELTA 3 Plus Review: Specs, Runtime, and Who It’s For (2026)

October 14, 2026September 19, 2026 by CalmWatt Research
EcoFlow DELTA 3 Plus: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow DELTA 3 Plus: 1,024 Wh and 1,800 W continuous, 3,600 W surge, 27.6 lb, $799 list. Published specs, calculated runtimes, and the gaps the maker leaves.

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EcoFlow DELTA 2 Review: Specs, Runtime, and Who It’s For (2026)

September 18, 2026September 18, 2026 by CalmWatt Research
EcoFlow DELTA 2: manufacturer-published specifications, scaled against the 34 units in our verified spec database

EcoFlow DELTA 2: 1,024 Wh and 1,800 W continuous, 2,700 W surge, 27 lb. Every published spec, calculated runtimes, and what the maker leaves unstated.

Categories Reviews

Bluetti Elite 30 V2 Review: Specs, Runtime, and Who It’s For (2026)

September 18, 2026September 18, 2026 by CalmWatt Research
Bluetti Elite 30 V2: manufacturer-published specifications, scaled against the 34 units in our verified spec database

Bluetti Elite 30 V2: 288 Wh and 600 W continuous, 9.48 lb. Every published specification, calculated runtimes, and the figures the maker leaves unstated.

Categories Reviews

Bluetti Elite 200 V2 Review: Specs, Runtime, and Who It’s For (2026)

September 17, 2026September 17, 2026 by CalmWatt Research
Bluetti Elite 200 V2: manufacturer-published specifications, scaled against the 34 units in our verified spec database

Bluetti Elite 200 V2: 2,073.6 Wh and 2,600 W continuous, 53.4 lb, $899 list. Every published spec, calculated runtimes, and what the maker leaves unstated.

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Reference data

Free to cite. No affiliate links on these pages.

  • Generator CO deaths: CPSC revision matrix
    Eight CPSC editions compared. Counts rise +51% on average after first publication.
  • Power station & generator recalls: CPSC index
    44 CPSC recall notices in our dataset, the earliest from 1989 — notices, not product units. By our classification: 8 battery power station, 33 engine-driven generator, 3 generator (type unclear).

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