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EcoFlow  |  SKU: EFDeltaProUltra-BP-US

EcoFlow - DELTA Pro Ultra 6kWh Stackable Battery Module

$3,29995
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Description

Expand your energy independence with the EcoFlow DELTA Pro Ultra Battery—an essential building block for scalable, whole-home backup power. With 6kWh of capacity per unit and support for up to 15 batteries (90kWh total), this LFP battery module transforms the EcoFlow DELTA Pro Ultra system into a month-long power solution for grid outages, off-grid living, or critical backup scenarios.

 

 

  • 6–90kWh Expandable Capacity: Each battery adds 6kWh of energy storage—scale up to 90kWh to power a home for 30+ days during outages (based on essential loads).
  • Modular & Stackable Design: Neatly stacks in garages or utility rooms with a compact 26×18×8 in footprint. Fixing Metal Tab available for stability with 3+ units (contact EcoFlow support).
  • Plug-and-Play Setup: Installs in just 1 minute—no wiring, no tools. Simply connect to the EcoFlow DELTA Pro Ultra Inverter and you’re ready to go.
  • Built for Harsh Conditions: IP54-rated for water and dust resistance and built to operate from -4°F to 113°F. Perfect for garages, sheds, and off-grid shelters.
  • EV-Grade LFP Chemistry: Long-lasting lithium iron phosphate battery with up to 3500 cycles to 80% capacity for over 10 years of use.

Requires: EcoFlow DELTA Pro Ultra Inverter (sold separately)

Perfect For:

  • Whole-home backup systems
  • Off-grid cabins or homesteads
  • Expandable solar energy storage
  • Mission-critical equipment and preparedness

 

 

Specifications:

  • Capacity: 6144Wh (6.1kWh)
  • Battery Chemistry: LFP (Lithium Iron Phosphate)
  • Cycle Life: 3500 cycles to 80% capacity
  • Dimensions: 26 × 18 × 8 in (660 × 455 × 204 mm)
  • Weight: 111.8 lbs (50.7 kg)
  • IP Rating: IP54 (dustproof & splashproof)
  • Operating Temp: -4°F to 113°F (-20°C to 45°C)
  • Compatibility: EcoFlow DELTA Pro Ultra Inverter
  • Warranty: 5 years

What's in the box:

 

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Frequently Asked Questions

How does the EcoFlow DELTA Pro Ultra Battery Module expand energy capacity?

Installing the EcoFlow DELTA Pro Ultra Battery Module is designed to be straightforward with its plug-and-play setup. It requires no wiring or tools, and the connection to the EcoFlow DELTA Pro Ultra Inverter is completed in under a minute. This ease of installation makes it accessible for users without technical expertise, although ensuring compatibility with your inverter is crucial. For those new to energy systems, our EcoFlow Home Power Systems collection offers additional resources.

What are the installation requirements for the EcoFlow DELTA Pro Ultra Battery Module?

Installing the EcoFlow DELTA Pro Ultra Battery Module is designed to be straightforward with its plug-and-play setup. It requires no wiring or tools, and the connection to the EcoFlow DELTA Pro Ultra Inverter is completed in under a minute. This ease of installation makes it accessible for users without technical expertise, although ensuring compatibility with your inverter is crucial. For those new to energy systems, our EcoFlow Home Power Systems collection offers additional resources.

What are the environmental operating conditions for the EcoFlow DELTA Pro Ultra Battery?

The EcoFlow DELTA Pro Ultra Battery is built to withstand a range of environmental conditions. It operates effectively in temperatures from -4°F to 113°F and is IP54-rated for dust and water resistance. This makes it suitable for use in garages, sheds, and off-grid shelters. However, extreme conditions outside these parameters could affect performance and longevity, so it's important to monitor the environment where it is stored.

How does the cycle life of the EcoFlow DELTA Pro Ultra Battery impact its long-term use?

The EcoFlow DELTA Pro Ultra Battery uses lithium iron phosphate (LFP) chemistry, providing a cycle life of up to 3500 cycles to 80% capacity. This means it can be charged and discharged numerous times over its lifespan, making it a durable choice for long-term energy storage solutions. With proper usage, the battery can last over 10 years, which is advantageous for both cost-effectiveness and sustainability.

What are the dimensions and weight of the EcoFlow DELTA Pro Ultra Battery Module?

The EcoFlow DELTA Pro Ultra Battery Module is compact, measuring 26 × 18 × 8 inches. It weighs 111.8 lbs, which is manageable for its capacity and intended use. The design allows for easy stacking and storage in utility rooms or garages, but due to its weight, assistance may be required for installation or relocation.

Can the EcoFlow DELTA Pro Ultra Battery be used in conjunction with solar panels?

Yes, the EcoFlow DELTA Pro Ultra Battery can be integrated with solar panels for renewable energy storage. This setup allows you to harness solar energy during the day and store it for use at night or during power outages. When planning a solar installation, ensure that your solar panels and inverter are compatible with the battery's specifications. For guidance on solar setups, visit our EcoFlow Solar Panels collection.

What are the limitations of using the EcoFlow DELTA Pro Ultra Battery for whole-home backup?

While the EcoFlow DELTA Pro Ultra Battery offers significant capacity, its effectiveness as a whole-home backup depends on your energy consumption. For homes with high energy demands, multiple units may be necessary to maintain power during extended outages. It's crucial to evaluate your home's essential loads and plan accordingly to ensure that your backup system meets your needs without overextending your budget.

How does the EcoFlow DELTA Pro Ultra Battery contribute to off-grid living?

The EcoFlow DELTA Pro Ultra Battery is an excellent component for off-grid living, providing reliable power storage. Its large capacity and modular design allow for a customizable energy solution that can support various off-grid applications, from powering essential household appliances to maintaining communication systems. However, planning is essential to ensure that your energy sources, such as solar panels, can sufficiently charge the batteries to meet your daily needs.

What safety features are included with the EcoFlow DELTA Pro Ultra Battery?

The EcoFlow DELTA Pro Ultra Battery includes several safety features to ensure reliable operation. These include overcharge protection, short circuit protection, and temperature regulation to prevent overheating. These features help maintain the battery's integrity and extend its lifespan, making it a safe choice for both residential and off-grid applications.

How does the EcoFlow DELTA Pro Ultra Battery handle power outages?

During power outages, the EcoFlow DELTA Pro Ultra Battery provides a seamless transition to backup power. Once connected to the EcoFlow DELTA Pro Ultra Inverter, it can automatically supply power to essential loads, minimizing disruption. This capability is particularly beneficial in areas prone to frequent outages, ensuring that critical systems remain operational. However, it's important to prioritize which devices are powered to maximize the battery's efficiency.