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EcoFlow DELTA Pro Ultra 6kWh Battery
$3,299.00
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Description
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Why Buy From Us
Enhance your home energy resilience with the EcoFlow DELTA Pro Ultra 6kWh Battery Pack. Designed for long-term backup, this advanced LFP battery module delivers reliable power and can be expanded up to 90kWh to support your household for a full month. Its compact stacking design keeps your installation clean and organized, while the quick plug-and-play setup ensures fast and hassle-free integration into your existing system.
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.
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.
Powers through the most challenging situations.
EcoFlow DELTA Pro Ultra tackles even the most grueling conditions. Whether it's extreme weather or freezing winters, this giant safeguards your power security, just like usual.
Features
- Extended Backup Power — 6kWh capacity provides up to two days of energy backup, expandable to an impressive 90kWh for up to one month of coverage.
- Compact & Organized Design — Stack multiple units neatly to maximize space and reduce clutter.
- Fast Installation — One-minute, plug-and-play connection for effortless system setup.
Specifications
- SKU: EFDeltaProUltra-BP-US
- Battery Ports: 2 x— Battery port
- Capacity: 102.4V ⎓ 60A, 6,144Wh
- Cell Chemistry: LFP (Lithium Iron Phosphate)
- Cycle Life: Retains 80%+ SOH after 3,500 cycles at 0.5C/0.5C and 25°C (77°F)
- Operating Temperature Range: −4°F to 113°F
- Protection Rating: IP54
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.
Key Specs
- Usable Capacity: 6kWh
- Continuous Output: 7.2kW
- Chemistry: LFP
- Warranty: 5-years
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.
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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.
