EcoFlow DELTA Pro Ultra X — 12kW Whole-Home Power, 7-Day Install, Scalable to 36kW / 180kWh
The DELTA Pro Ultra X is EcoFlow's most powerful home energy system, delivering 12kW of AC output across 120V and 240V from a single inverter — scalable to 36kW with three parallel units via Smart Home Panel 3. Choose the standalone inverter to pair with separately purchased batteries, or the 1 Inverter + 2 Batteries bundle for a complete 12kWh system ready to install in 7 days.
⚠ Inverter-Only Variant — Battery Not Included. The standalone DELTA Pro Ultra X Inverter variant does not include batteries. At least one Smart Extra Battery (sold separately) is required for energy storage and backup functionality.
⚠ Smart Home Panel 3 / Smart Gateway Sold Separately. Auto-switchover (<20ms) and smart circuit control require the EcoFlow Smart Home Panel 3 or Smart Gateway (200A), both sold separately. Professional installation required. Installation fees assessed on-site.
⚠ Rooftop Solar Requires Current Transformers. Rooftop solar charging for the DELTA Pro Ultra X via Smart Home Panel 3 or Smart Gateway requires current transformers — not included.
⚠ Shipping Restriction. Cannot be shipped to Alaska, Hawaii, Puerto Rico, or other US outlying territories.
Choose Your Option
| Option |
What's Included |
Total Capacity |
Best For |
DELTA Pro Ultra X Inverter
Inverter only — battery not included
|
1× DELTA Pro Ultra X Inverter (no battery) |
N/A — add batteries separately |
Adding inverter capacity to an existing system or pairing with separately purchased batteries |
DELTA Pro Ultra X (1× Inverter + 2× Batteries)
12kW Output · 12kWh Capacity · Ready in 7 Days
|
1× DELTA Pro Ultra X Inverter + 2× Smart Extra Batteries (6144Wh each) |
12kWh |
Complete whole-home backup system; scalable to 180kWh |
Key Features
-
12kW AC Output (120V & 240V / 240V/50A Max) — Single inverter powers your entire home; scale to 36kW with 3 parallel units via Smart Home Panel 3
-
12kWh to 180kWh Scalable Capacity — Standard 2-battery bundle starts at 12kWh; add up to 10 batteries per inverter or expand to 3-inverter system for 180kWh
-
<20ms Auto-Switchover — Pairs with Smart Home Panel 3 or Smart Gateway for seamless whole-home backup without interruption
-
10kW Solar Input — Dual high-voltage PV ports (80–500V, 15A RMS each); charges 12kWh to 80% in approximately 1 hour
-
7-Day Installation — Plug-and-play design with EcoFlow Authorized Installers; saves up to 80% on installation time and cost vs. traditional systems
- 5-Year Warranty
Specifications
| Specification |
Detail |
| AC Output (Single Inverter) |
12kW, 120/240V, 60Hz |
| AC Output (Max System) |
Up to 36kW (3 parallel inverters via Smart Home Panel 3) |
| Max AC Output Voltage/Current |
240V / 50A |
| Battery Capacity (Standard Bundle) |
12kWh (2× 6144Wh Smart Extra Batteries) |
| Max System Capacity |
Up to 180kWh (3 inverters × 10 batteries) |
| AC Charging Input |
100-120V/15A/1800W; 120/240V/30A/7200W; 120/240V/50A/12000W |
| Bypass Mode Input |
100-120V/15A/1800W; 120/240V/30A/7200W; 120/240V/50A/12000W |
| Solar Charging Input |
80–500V DC, 15A RMS × 2 ports; 10kW total |
| Max Solar Input (3 Inverters) |
30kW |
| UPS Auto-Switchover |
<20ms (requires Smart Home Panel 3 or Smart Gateway) |
| Installation Time |
7 days via EcoFlow Authorized Installer |
| Battery Self-Heating |
Yes — activates automatically in extreme cold for safe charging |
| Grid Compatibility |
120/240V and 120/208V grids |
| Connection |
Wi-Fi / Bluetooth |
| Warranty |
5-Year standard |
