EcoFlow DELTA Pro Ultra 7.2kW Inverter
Upgrade your home energy management with the EcoFlow DELTA Pro Ultra 7.2kW Inverter engineered to deliver exceptional performance for backup power and solar energy systems. Whether used individually or expanded with up to three units, it supports high AC output and robust solar integration for flexible residential energy solutions. The advanced online UPS function ensures instant power transfer at 0 ms for uninterrupted protection of sensitive electronics.
EcoFlow DELTA Pro Ultra
The most powerful whole-home backup solution.

Month-long power security. - 6-90kWh Capacity
Take home power dependability to another level with up to 90kWh battery capacity. For a standard household, that's over 30 days of essential backup power to keep appliances like lights and refrigerators running strong (time may vary). Stackable and space-saving, it packs comfortably into a garage or utility closet.

One unit covers every appliance - 7.2kW-21.6kW, 120V & 240V Output
With a 7.2kW output, EcoFlow DELTA Pro Ultra effortlessly runs even energy-hungry household items, like a 3-ton central air conditioner. For more power, pair 3 inverters with the EcoFlow Smart Home Panel 2 to unlock a 21.6kW AC output. Plus, with X-Fusion you'll get a constant 7200W output no matter what.

One hour of solar for one day of power - 5.6kW-16.8kW Solar Input

Flexible Solar Systems

Rooftop Solar Systems
Always in charge - With a Generator or EV pile
You're spoilt for choice with EcoFlow DELTA Pro Ultra's charging options. As well as all our usual methods, like solar and the grid, you can now power up using a gas generator or even your EV charging pile. With the industry's fastest charging speeds of 8800W, top up two batteries in only 2 hours.

You won't even notice the grid was down
Imagine a world where power outages go unnoticed. With EcoFlow DELTA Pro Ultra's online UPS, you'll get just that. With uninterrupted power flow, EcoFlow DELTA Pro Ultra safeguards your vulnerable electronic equipment round-the-clock. For extended outages, you don't want to hear your backup in the background, so for low draws under 2000W*, it's completely silent. With a whisper-quiet 0 dB, your nights remain undisturbed as it powers your devices.*For a maximum of 30 minutes.

Peace of mind with an advanced design.

Ecoflow X-Cooling

Powers through the most challenging situations.

Features
- Scalable power system offering 7.2kW to 21.6kW output when paired with up to 3 inverters
- Enhanced solar capability ranging from 5.6kW to 16.8kW with multi-inverter configuration
- Seamless online UPS with true 0-millisecond switchover to maintain continuous power
- Optimized thermal design supports long-term durability and system health
Specifications
General
- Net Weight: 70 lb
- Dimensions: 27.2 in x 18.9 in x 8.4 in
- Wi-Fi: Frequency 2.412-2.462MHz / 2.422-2.452MHz; Max output power 0.3597W
- Bluetooth: Frequency 2.402-2.480MHz; Max output power 0.0109W
Output
- AC Output: Pure Sine Wave, 7,200W total, 120V/240V ~ 60Hz (discharging)
- AC Bypass: 100-120V ~ 30A total, 50Hz/60Hz
- USB Ports:
- USB-A (2x): 5V ~ 2.4A, 12W max per port, 24W total
- USB-C (2x): 5/9/12/15/20V ~ 5A, 100W max per port, 200W total
- DC Output: 12.6V ~ 30A, 378W max
Input
- AC Charging Input:
- 100-120V ~ 15A
- 200-240V ~ 12.5A, 50/60Hz
- AC Bypass Input: 100-120V ~ 15A, 50/60Hz (duration < 3 hrs when current exceeds 12A)
- Power Input/Output: 100-120V ~ 30A; 200-240V ~ 30A, 50/60Hz
- High-PV Input: 80-450V ~ 15A max, 4,000W max
- Low-PV Input: 30-150V ~ 15A max, 1,600W max
Other
- Operating Temperatures:
- Discharging: -4°F to 113°F
- Charging: -4°F to 113°F
- Storage: -4°F to 113°F (ideal range: 68°F to 86°F)
- Max Altitude: 9,842 ft
- IP Rating: IP54 dust and splash resistance
- Noise Level: ≤30 dB
- UPS Performance: Backup UPS < 20 ms; Online UPS 0 ms
- Communication Options: Bluetooth, Wi-Fi, and 4G
Warranty
Energy Systems Central Stores is an authorized retailer of EcoFlow products. Because of this, we pass on EcoFlow's manufacturer 5-Year warranty to you.
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Key Specs
- Power Rating: 7.2kW
- Inverter Type: Pure Sine Wave
- Input Voltage: 120V,240V
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Market-Leading 30-Day Returns Process.Read more about our Returns Policy here.
Choosing the right retailer matters, especially for critical power and off-grid systems. Here’s what sets Energy Systems Central apart.
- Free Shipping Nationwide: Transparent pricing with no hidden fees at checkout.
- Best Price Assurance: If you find the same product offered for less, we’ll review and match it where applicable.
- Easy 30-Day Returns: Clear, straightforward return policies designed for peace of mind.
- Expert-Led Support: Speak directly with knowledgeable specialists who understand the products. Call us at 888-332-7989.
FREQUENTLY ASKED
QUESTIONS
Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.
Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.
We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.
Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.
Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.
Yes. We are an authorized retailer and only sell brand new, genuine products sourced directly from manufacturers or their approved distributors.












