EcoFlow
EcoFlow DELTA Pro
Expandable to 25kWh. The serious home backup option.
Prices updated 4/14/2026, 3:00:53 AM
Editorial Take
Best suited to heavier backup jobs where runtime and output matter more than portability.
This page is meant to answer two questions quickly: what this model is good for, and whether the current eligible price looks reasonable against recent history.
History is still building, so the current price is trustworthy, but the timing signal should stay conservative.
This headline price comes from the best eligible listing we currently track. Current best eligible retailer: EcoFlow.
Other package or alternate listings may appear below for context, but they do not define the headline price or deal math.
Price Proof
Why this headline price is trustworthy
Current eligible price
1599
90-day observations
2
Days observed
1 of 90
Retailer rows now
1
Eligible retailers now
1
Current pricing is available, but historical coverage is still thin.
The headline price uses the best eligible base listing we currently track. Eligibility keeps package pages, alternate listings, and duplicate rows from defining the story.
Some current rows below are shown for context only. Package or alternate listings do not set the headline price or deal math.
How to read the price signal
Eligible listings are the base-item offers we trust to define the public headline price. Maturity shows how much 90-day history and how many eligible retailer rows we have behind today's price context. Strong deal language only appears when that history is deep enough to support it.
Read the full logic in Standards and affiliate details in Transparency.
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Context
What to know
The DELTA Pro is EcoFlow's heavy-duty option — 3,600Wh base, expandable to 25kWh with add-on batteries and a Smart Home Panel for hardwired circuits. At 99 pounds it's not portable in any casual sense. This is a home backup system that happens to have a handle. It makes sense if you're building toward whole-home backup or if you've already decided that one power station isn't enough and want a modular system.
Further reading: Product page at EcoFlow · Wirecutter: Best Portable Power Stations
Where to Buy
Eligible in-stock listings are shown first and define the headline price for EcoFlow DELTA Pro.
Package or alternate listings are included below for context, but they do not set the headline price.
Tracked prices use eligible listings so package or alternate rows do not set the headline price. Some retailer links may be affiliate links, but recommendations are not ordered by commission. Transparency and Standards.
Pair with a panel
Pairs well with
Solar panels that match this station's solar input and connector.
EcoFlow
EcoFlow 110W Portable Solar Panel
Lightweight folding panel for a RIVER 2 or DELTA 2 kit. Case doubles as the kickstand.
EcoFlow
EcoFlow 220W Bifacial Portable Solar Panel
Bifacial panel with an adjustable built-in kickstand. Captures reflected light on the back face for roughly 25% more output in snow or light concrete.
EcoFlow
EcoFlow 400W Portable Solar Panel
Largest folding panel in the EcoFlow line. Sized for DELTA Pro and DELTA Pro Ultra builds where you want to crack 1kWh of solar input.
Specifications
Specifications
- ac ports
- 4
- dc ports
- 6
- expandable
- true
- weight lbs
- 99
- capacity wh
- 3600
- usb a ports
- 4
- usb c ports
- 2
- output watts
- 3600
- warranty years
- 5
- usb c max watts
- 100
- expansion max wh
- 25000
- battery chemistry
- LFP
- dimensions inches
- 25 x 11.2 x 16.4
History
Price History
90-Day Price History
$1599 current eligible price
Shows eligible base-unit prices only. Package listings, alternate listings, and accessory bundles are excluded so the chart matches the headline price a buyer would have paid.
Spot an error or outdated detail?
Product pages are maintained as tracked pricing, eligibility, and launch-list coverage change. Send a correction or coverage note through Contact. Our editorial accountability standards are explained in Standards.
Affiliate links. Details.