EcoFlow DELTA Pro Ultra X + Smart Home Panel 3 review
EcoFlow DELTA Pro Ultra X with Smart Home Panel 3 (12,288Wh)
By Tom Calder
The same 12,288 Wh, 12,000 W DELTA Pro Ultra X, sold with EcoFlow's Smart Home Panel 3: 32 circuits you control from the app, a 200 A maximum rating, and switchover from grid to battery in under 20 ms. EcoFlow says the panel must be installed by its authorized installers, who are licensed electricians.
- Best for
- The whole-house kit: battery and 32-circuit panel together
- Skip it if
- You rent, or just want to plug in a fridge
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.We earn a commission if you buy through the retailer links on this page. It doesn't change our verdict. How we make money →
Researched, not used. We haven't used this product. This review is built from the maker's specifications, owner reports and our own sizing.
What we like
- Panel included: 32 controllable circuits
- Under 20 ms switchover (maker)
- 5-year system warranty, 10-year panel warranty
Worth knowing
- Needs professional installation; EcoFlow counts its install time from when the permit is issued
- The panel works only with DELTA Pro Ultra and Ultra X
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Who shouldn't buy this
Don't buy it if you rent, or just want to plug in a fridge: the battery alone does that.
Key specs
| Battery (as sold) | 12,288 Wh |
| AC output | 12,000 W |
| 240V | Yes, from one unit |
| Expands to (maker) | Up to 10 batteries (61 kWh) per inverter; 180 kWh with three (EcoFlow) |
| Warranty | 5 years (panel 10 years) |
| Runs (our estimate) | Fridge 4.2–8.9 days; fridge + furnace fan 14–19 h; well pump 9.3–12 h running |
| Connecting to the house | Smart Home Panel 3 included; installed by an EcoFlow-authorized licensed electrician |
This is a Researched review: we haven't used this product. We check every specification against at least two independent sources, re-check the US price on a schedule where we can track it automatically, and say plainly who it isn't for. Commissions never change a rating.
If this isn’t the one
Best for The most power: 12 kW at 120V and 240V
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for A 5 kWh, 240V start with its own 10-circuit panel
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.Best for Whole-home backup that starts big motors
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