Can the Delta Pro Ultra inverter run without a battery?

No. The inverter must be paired with a Delta Pro Ultra battery to operate.

Does it output 240V for a transfer switch?

Yes, in the US it provides 120/240V at 7,200W total, enough for split-phase home circuits.

How much solar can it take?

Up to 4,000W on the high-PV input at 80-450V, plus 1,600W on the low-PV input.

What do I need for a second inverter?

A connection cable to the Smart Home Panel 2 is not included and must be bought separately.

How does it compare with the Delta Pro?

The Ultra adds 240V split-phase output, higher solar input and stackable batteries, but it is far heavier and not meant to be carried.

Can I control it remotely?

Yes, it has Wi-Fi and Bluetooth and works with the EcoFlow app for monitoring and settings.

Where is the EcoFlow Delta Pro Ultra cheapest?

At Ben's Discount Supply, for $2,799.00, 33% under what the other stores charge, as of our latest check.

Where can I buy the EcoFlow Delta Pro Ultra?

11 stores we checked sell it, including Ben's Discount Supply, eBay, Green Vista Living, EcoPowerit, Ampere Authority.

EcoFlow Delta Pro Ultra

Best price now

$2,799.00at Ben's Discount SupplyChecked Nov 9

33% under what the other stores charge

Compared across 11 stores. Prices are checked against each store and labelled with when.

Visit Ben's Discount Supply

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

What reviewers say

Owners treat the Delta Pro Ultra as a serious home backup unit, praising its 240V output, quiet operation and app control. Complaints center on the weight, the extra parts needed for a full install and the total cost of stacking batteries.

What people mention

OutputPraisedOwners say the 240V output runs dryers, well pumps and whole circuits without trouble.
WeightCriticisedAt about 71 lb for the inverter, buyers call it hard to move and best left in place.
AppPraisedThe EcoFlow app is described as clear for monitoring solar input and battery levels.
AccessoriesCriticisedBuyers note the cable to link a second inverter to the Smart Home Panel 2 is sold separately.
NoisePraisedReviewers say it runs quietly under load compared with a fuel generator.
CostMixedOwners find the system capable but say a full multi-battery setup adds up.

About the EcoFlow Delta Pro Ultra

The EcoFlow Delta Pro Ultra is an inverter with a 7,200 W total AC output in the US version (120/240V, 60Hz). It must be used with the DELTA Pro Ultra Battery. It supports Wi-Fi and Bluetooth.

The US version has four 120V 20A AC ports, one 120V 30A port and one 240V 30A port. In bypass mode, the US AC output is 100-120V, 50/60Hz, 30A total. It also has two USB-C ports at up to 100W each (200W total), two USB-A ports at up to 12W each (24W total), and a 12V DC output rated at 12.6V, 30A, 378W max.

The high-PV input accepts 80-450V at up to 15A, 4000W max. The low-PV input accepts 30-150V at up to 15A, 1600W max. The inverter does not include the connection cable for linking a second inverter to the SHP2. That cable is sold separately.

Total AC output

7,200 W (US, 120/240V, 60Hz)

Bypass output

US: 100-120V, 50/60Hz, 30A total

USB-C

2 ports, 100W max each, 200W total

USB-A

2 ports, 12W max each, 24W total

DC output

12.6V, 30A, 378W max

Solar input

High-PV 80-450V, 4000W max; low-PV 30-150V, 1600W max