Short Home Outages
Keeping the fridge, Wi-Fi and phones alive for hours
EF ECOFLOW · Extra large
EF ECOFLOW DELTA Pro Specs, Price & Buyer Notes
3.60 kWh of storage, 4.5 kW of continuous AC output, listed at $2,599. That works out to $0.72 per watt-hour and 36.4 watt-hours per pound. Spec figures below are taken from EF ECOFLOW’s own product page; WattPicks editors are deep-use experience reviewers, not a pretend third-party lab for every SKU.
3.60 kWh4.5 kW AC99.0 lb
from owners, collected by EF ECOFLOW
What this unit is for
We have not yet written a positioning profile for this brand.
Best suited to: General portable power.
Multi-day backup, off-grid and whole-home loads.
Where to buy
A tracked retailer link appears here only when we have a resolved offer for this model. We do not send readers to a manufacturer store page we cannot attribute.
Safety: lithium power stations store a lot of energy. Follow EF ECOFLOW’s charge, ventilation, and storage instructions. WattPicks does not certify electrical installs.
Specifications
3 of 19 fields are published by EF ECOFLOW for this model. The rest are shown as “—” and are excluded from rankings rather than estimated.
| Rated Wh (nameplate) | 3.60 kWh |
|---|---|
| AC output (continuous) | 4.5 kW |
| AC surge | — |
| Power lifting / boost | — |
| Battery chemistry | — |
| Rated cycles | — |
| Weight | 99.0 lb |
| AC recharge to full | — |
| Max solar input | — |
| AC outlets | — |
| USB-C ports | — |
| USB-A ports | — |
| 12V car port | — |
| UPS switchover | — |
| Max expandable capacity | — |
| Warranty | — |
| Noise level | — |
| Ingress protection | — |
| Operating temp (low) | — |
| List price | $2,599 |
Where these numbers come from. WattPicks does not test power stations — this is a spec profile, not a review. Every figure on this page is taken from EF ECOFLOW’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: EF ECOFLOW listing on Amazon.
Vendor wording for each figure (3)
capacityWh: “3600Wh/75Ah”acOutputW: “4500”weight: “99 pounds”
EF ECOFLOW DELTA Pro specs FAQ
What are the EF ECOFLOW DELTA Pro specs?
3.60 kWh capacity; 4.5 kW continuous AC; 99.0 lb; listed at $2,599. 3 of 19 fields are published by EF ECOFLOW on the product page we read.
How long does the EF ECOFLOW DELTA Pro last?
The vendor does not publish a cycle rating for this model on the page we read. Runtime is still capacity ÷ load; chemistry and duty cycle decide calendar life.
Can the EF ECOFLOW DELTA Pro charge from solar?
No maximum solar input is published on the product page we read, so we cannot state a solar ceiling for this model.
Is the EF ECOFLOW DELTA Pro good value?
At the published list price it works out to $0.72 per watt-hour. Compare that figure on our cost-per-watt-hour ranking rather than price alone.
Still sizing the purchase? How much capacity do I need · Solar charge time · Jackery vs EcoFlow vs BLUETTI
What owners say
All owner voices →4.80from 69 owner ratings
Rating only — no review text published
EcoFlow publishes an aggregate score of 4.80 from 69 owners, but does not expose the individual review text on its product page. We show the score and say so, rather than presenting a rating as if it came with testimony.
Where it ranks
Specs table →Position among all 137 power stations we track, in each dimension this unit publishes the inputs for.
| Dimension | Rank | Value |
|---|---|---|
| Best value (cost per watt-hour) | #82 of 128 | $0.72 |
| Most portable (Wh per pound) | #61 of 131 | 36.4 Wh/lb |
| Most inverter headroom | #73 of 137 | 125 W/100Wh |
| Most output per dollar | #95 of 137 | 1.73 W/$ |
Fits these buying scenarios
All use cases →RV & Van Life
Living and working from a vehicle, on solar and alternator charging
Off-Grid & DIY Solar
Cabins, sheds, job sites and self-built systems
Elsewhere in the EF ECOFLOW range
All EF ECOFLOW models →
Closest rivals by capacity
Other brands’ models nearest in capacity — the units a buyer is most likely to be comparing against this one.
