EcoFlow DELTA Pro Ultra Whole-Home Backup (6kWh–90kWh)

Inverter + 1 Battery (6kWh)

$4,199.00

EcoFlow DELTA Pro Ultra Whole-Home Backup (6kWh–90kWh)

$4,199.00

Configuration Inverter + 1 Battery (6kWh) Inverter + 2 Batteries (12kWh) Inverter + 3 Batteries (18kWh) Inverter + 1 Battery + Smart Home Panel 2 Inverter + 2 Batteries + Smart Home Panel 2 Inverter + 1 Battery + Smart Home Panel 2 + 400W Solar Panel

Modular whole-home backup that grows with your needs: one DELTA Pro Ultra inverter delivers 7,200W of 120V/240V output, and each 6,144Wh LFP battery stacks underneath. Expand up to 21.6kW / 90kWh with additional inverters and batteries.

Key specs

AC output	7,200W per inverter, 120V/240V split-phase (10.8kW surge)
Capacity	6,144Wh per battery, expandable to 90kWh
Solar input	Up to 5.6kW per inverter
Switchover	Automatic with Smart Home Panel 2 (12 circuits)
Battery chemistry	LFP (LiFePO4)
Certification	UL 9540
Warranty	5 years, full manufacturer coverage

Which configuration fits your home?

1 battery (6kWh) - essentials: fridge, Wi-Fi, lights, phones for a day
2 batteries (12kWh) - most homes: adds well pump or space heating through a 1-2 day outage
3 batteries (18kWh) - longer outages or higher loads
Add Smart Home Panel 2 - automatic whole-home switchover, no extension cords

Not sure which size? Use our power calculator or get a free system design. Professional installation by MTD Electric's licensed electricians is included in every quote.