Name: Ecoflow DELTA Pro Ultra X Battery
Brand: EcoFlow
SKU: EFDELTAPROUXEB
Price: 2099.0 USD
Availability: InStock

Expand Your Energy Independence With The EcoFlow DELTA Pro Ultra X Battery

The EcoFlow DELTA Pro Ultra X Battery is the heart of your home power ecosystem — designed for homeowners who demand flexibility, security, and unstoppable performance. Whether you’re building a whole-home backup system or scaling your off-grid setup, this modular battery delivers the energy depth and intelligence your lifestyle requires.

Talk To A DELTA Pro Ultra X Expert

Phone/Text: 1-888-976-5443
Email: sales@outboundpower.com

Built to Power Your Future

6–180 kWh capacity range for homes, cabins, or businesses
10,000+ cycle life for decades of use
Compatible with EcoFlow Smart Home Panel 3 and Smart Gateway
Fast solar and AC charging for continuous uptime
Meets the highest global safety standards

The EcoFlow DELTA Pro Ultra X Battery gives you scalable, reliable, and intelligent energy — so you’re never left in the dark again.

Add more batteries anytime. Power everything, everywhere.

Where to Use Your EcoFlow DELTA Pro Ultra X Battery

At Home: Ensures critical appliances and electronics stay operational during outages.
On The Road: Powers your RV, camper, or boat effortlessly.
Off-Grid Locations: Supports renewable energy setups and remote lifestyles.
Mobile Worksites: Keeps tools and tech running in remote job environments.

Ecoflow DELTA Pro Ultra X Battery Features

6kWh Capacity for Endless Power Supply

Experience a robust 6kWh capacity that keeps your devices running no matter where you are. Whether you're at home or on the road, the EcoFlow DELTA Pro Ultra X Battery ensures a seamless power supply to safeguard your lifestyle. Draw power for your home backup systems, RV appliances, or off-grid setups with ease, knowing that high demand won't leave you in the dark.

Advanced LFP (LiFePO4) Cells for Longevity

Crafted with advanced LFP (LiFePO4) cells, this battery is designed for longevity and durability, offering reliable power for years to come. Unlike conventional batteries, the EcoFlow DELTA Pro Ultra X delivers stable and efficient energy, reducing maintenance and replacement costs—a savvy choice for both homeowners and adventurers.

Comprehensive Protection Systems for Maximum Safety

Equipped with a suite of protection mechanisms including overvoltage, overload, overtemperature, and short circuit protection, this battery prioritizes your safety. You can confidently power your electronics without fear of unexpected failures or hazards, achieving peace of mind in any environment.

Versatile Applications for Diverse Needs

From home backup during power outages to ensuring your mobile worksite is fully operational, the EcoFlow DELTA Pro Ultra X adapts to various scenarios. RV travelers and off-grid enthusiasts will appreciate its portability and reliability in remote locations, making it an indispensable companion for the modern nomad.

Compact Design for Space Efficiency

Despite its substantial power capacity, the EcoFlow DELTA Pro Ultra X is designed to be compact and space-efficient. Measuring approximately 26 x 18 x 8 inches and weighing 111.3 lbs, it fits conveniently into tighter spaces, whether within your home storage area or tucked away in a vehicle.

Ecoflow DELTA Pro Ultra X Battery Warranty

EcoFlow provides a limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.

What's Included

1 x EcoFlow DELTA Pro Ultra X Battery
1 x EcoFlow Battery Connection Cable 7.9 in | 0.2 m
1 x User Manual
1 x Warranty Card

Ecoflow DELTA Pro Ultra X Battery Specifications
General Specifications
Model	EFYJ751-BP
Net Weight	Approx. 50.5 kg \| 111.3 lb
Dimensions	660 × 455 × 204 mm \| 26 × 18 × 8 in.
Battery Specifications
Capacity	102.4V⎓60A, 6,144Wh
Cell Material	LFP (LiFePO₄)
Protection Type	Overvoltage Protection Overload Protection Overtemperature Protection Short Circuit ProtectionLow Temperature Protection Low Voltage Protection Overcurrent Protection
Operating Environment
Operating Temperature	-20°C to 45°C \| -4°F to 113°F
Storage Temperature	-20°C to 45°C \| -4°F to 113°F
Operating Humidity	<90%
Altitude	<3000m

Ecoflow DELTA Pro Ultra X Battery Manual

Is Outbound Power an Authorized Dealer?

Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.

How long will it take for my order to arrive?

Shipping times vary depending on your location and the product or products ordered.

Order Processing Time
Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.

After order processing is complete, you will receive tracking information to monitor your order while it is in transit.

Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.

Please refer to the product page for your item and reference the estimated delivery time frame for more details.

Additionally, you can see the estimated delivery time frame during checkout and receive a tracking number once your order ships.

What are your shipping rates? Do you offer free shipping?

Everything on our store ships for free. Really!

What is Outbound Power's return policy?

Most items may be returned within 30 days of delivery. Please refer to our Returns & Exchanges policy to determine what items are eligible. Returns are not accepted beyond 30 days following delivery.

Are Outbound Power products used/old/refurbished?

Everything sold on our website is brand-new.

Do you price match?

No — we price BEAT! Please refer to our Price Beat Promise for full details.

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Great pricing

Great pricing. When I am ready to upgrade, I plan on doing business with you all again. You value customers and that is greatly appreciated. Thanks for everything.

Thank you for your kind words and support! We’re glad to hear you’re satisfied with our pricing and service. We look forward to assisting you with your upgrade when you’re ready. Thanks again for choosing Outbound Power, and please let us know if we can ever be of service.

Replacement battery

Exact fit to the Cummins 4500i small battery compartment.

Thank you for your great review! We're glad the battery fit perfectly and met your expectations. If you need anything else, please don’t hesitate to reach out, we’re always here to help.

Works

Works great

Hi Sam, thank you for your fantastic review! We're so glad to hear the Pecron Trolley Kit works great for you. If you need any further assistance, feel free to reach out. Cheers!

Perfect lightweight power supply

This was purchased to run a small compressor when our crews are on job sites where running and moving power cords is inconvenient and time consuming. The generator is lightweight and perfect for the task. We're now investing in a second unit.

Thank you for the great review! We’re glad to hear it is making work easier. We truly appreciate your business. Please let us know if there is anything more we can do to be of service!

I like outbound because they give a good deal

I like outbound because they give a good deal discount called. They help when you call nice people when you call the number they answer and help thank you

Hi Melvin, thank you for your kind words! We're glad you had a great experience and appreciate your support. If you need anything else, we're here to help!

excellent service with excellent pricing by far

Excellent service with excellent pricing. By far the best price I could find on the battery. Delivery arrived in perfect condition. love all the tracking information.

Thank you so much for the kind review! We’re glad we could provide a great price and that everything arrived to your satisfaction. We also appreciate you mentioning the tracking updates. We want every customer to feel informed and confident from order to delivery. Thanks again for choosing Outbound Power and please let us know if we can ever be of service!

Great customer service

Great customer service!

Thank you for the positive feedback! We strive to provide excellent customer service and we're glad to hear that you had a great experience with us. We appreciate your support and hope to continue serving you in the future!

Outbound Power did a great job on n communication

Outbound Power did a great job with communication and answered all my presale questions. Shipping was prompt - and was patient with me during a small snafu when my neighbor was being “helpful” and took one of the boxes and neglected to tell me. Great prices too!

Hi James, thank you for taking the time to leave us a review. We are thrilled to hear that you had a positive experience with our team! Thank you for your business and please feel welcome to reach out anytime if we can be of service!

Fantastic service from Jam at Outbound Power

Fantastic service from Jam at Outbound Power made this an easy choice.

We are in the installation phase now and are excited to have a reliable system for our power backup needs.

Thank you for your kind words and for choosing Outbound Power for your backup power needs. We're happy to hear that Jam provided fantastic service and helped make the decision process easy for you. Our goal is always to help customers find a reliable backup power solution that fits their needs.

We’re excited for you to begin the installation phase and are confident you’ll be pleased with the Anker SOLIX E10 Smart Hybrid Whole-Home Backup System. Thank you again for choosing Outbound Power!

This works very well

This works very well. I can charge my unit and expansion batteries more than twice as fast as using a 120 volt wall outlet. I think it also helps with the battery temperature.

Hi there, thank you for your positive feedback! We're glad to hear that the cable is working well for you and is able to charge your unit and expansion batteries at a faster rate. If we can be of service again, please let us know!

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Ecoflow DELTA Pro Ultra X Battery

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