EcoFlow DELTA Pro portable power station: original 3,600Wh
EcoFlow DELTA Pro portable power station: assess the original 3,600Wh, 3,600W, 120V model, its 99lb weight and when to compare DELTA Pro 3.
This page contains affiliate links. As an Amazon Associate, we earn from qualifying purchases.
On this page
Quick answer: The original EcoFlow DELTA Pro portable power station suits a mostly stationary plan built around larger 120V essentials. Its 3,600Wh capacity and 3,600W total AC output are useful; its weight and older generation are reasons to pause.

Original AI-assisted illustration; not a product photograph or test.
EcoFlow DELTA Pro portable power station: who is it for?
Choose it when you can leave it near the intended loads. Skip it if stairs or frequent lifting are part of everyday use. This is the original DELTA Pro, not DELTA Pro 3.

Original AI-assisted illustration; not a product photograph or test.
Energy is not output
Watt-hours describe stored energy; watts describe simultaneous demand. Actual runtime depends on the appliances, conversion losses and operating conditions. Check each device’s running and startup demand rather than relying on the capacity figure alone.

Original AI-assisted illustration; not a product photograph or test.
Give it a place
EcoFlow lists approximately 99lb / 45kg. Check the route, floor space and access before an outage. Use the supplied AC charging cable; confirm solar compatibility in the manual.

Original AI-assisted illustration; not a product photograph or test.
Why compare Pro 3?
DELTA Pro 3 lists 4,096Wh, 4,000W and 120/240V output. Compare that model if single-unit 240V matters. Extra batteries and connection accessories are separate decisions; this article concerns the original single unit.

Original AI-assisted illustration; not a product photograph or test.
Our top picks
- For larger 120V essential loadsEcoFlow DELTA ProSee on AmazonPaid link
FAQ: can one original DELTA Pro supply 240V?
The US unit here supplies 120V AC. Do not transfer Pro 3’s dual-voltage specification to it.
Desk research, checked October 18, 2026. Manufacturer specifications and the target listing were reviewed; no hands-on testing or runtime measurements were performed.

Original AI-assisted illustration; not a product photograph or test.
Related reading
Plan the capacity your essential loads need
Understand LiFePO4 and NMC battery trade-offs
Sources
More from VoltLore
Portable power station for home backup: plan for days
Size a backup battery around essential loads and a realistic recharge plan, then compare a compact and an expandable station by their listed specifications.
Anker SOLIX C1000 portable power station: Gen 2 backup
Anker SOLIX C1000 portable power station, Gen 2: assess 1,024Wh capacity, 2,000W output, carrying weight and expansion limits for essential backup.
LiFePO4 vs NMC Batteries in Portable Power Stations
LiFePO4 (LFP) power stations are heavier for the same watt-hours but are usually rated for many more charge cycles and are generally regarded as more thermally stable. NMC units are lighter. Read the chemistry, cycle rating, weight and UL 2743 listing on the spec sheet.