Our state-of-the-art LFP tech and advanced battery management system (BMS) regulates vital data, ensuring the safety, longevity, and high performance of EcoFlow DELTA Pro Ultra.With each battery offering a cycle life of 3500+, you'll get years of use before capacity drops to 80%. Even then, it keeps powering on.
Skip to product information
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.
Sale price
$2,158.99
Regular price
$2,969.00
DELTA Pro Ultra 6kWh Battery – The Ultimate Backup Solution
The DELTA Pro Ultra 6kWh Battery is designed for those who demand unmatched power and reliability. Whether you're preparing for an emergency backup, off-grid living, or a whole-home energy solution, this high-capacity battery has you covered.
EcoFlow’s DELTA Pro Ultra offers 6kWh of expandable energy that can power multiple devices and home appliances for hours. The advanced lithium iron phosphate (LiFePO4) technology ensures long-lasting, safe, and efficient power, making this the most powerful and reliable backup battery on the market.
Key Features of the DELTA Pro Ultra 6kWh Battery:
-
High Capacity & Expandability
The 6kWh battery provides ample energy for your home and essential appliances, and the expandable design allows you to connect additional batteries to achieve up to 25kWh of storage. -
Power Your Entire Home
Designed to support heavy-duty appliances, the DELTA Pro Ultra 6kWh ensures smooth operation of home appliances, including air conditioners, refrigerators, and lighting systems. -
Efficient Recharge with Multiple Sources
Recharging is fast and flexible with solar panels, AC outlets, and EV charging stations, making this battery suitable for any energy environment. Charge from 0-100% in as little as 2.7 hours with dual AC charging. -
Long-Lasting Performance
Designed to last for years of use, the DELTA Pro Ultra is equipped with LiFePO4 battery cells, offering up to 6,500 charge cycles — that’s more than twice the lifespan of traditional lithium-ion batteries. -
Smart Home Integration
When paired with the Smart Home Panel, the DELTA Pro Ultra 6kWh seamlessly integrates into your home’s energy system, providing back-up power during outages and optimizing energy use to reduce electricity costs. -
Robust & Durable Design
Built to withstand extreme conditions, the DELTA Pro Ultra is engineered to deliver reliable performance, whether you’re using it indoors or outdoors. The rugged construction and weatherproof design ensure the 6kWh battery works even in the harshest environments.
Month-long power security.
6-90kWh CapacityTake 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.*
One hour of solar for one day of power.
5.6kW-16.8kW Solar Input
By leveraging High and Low-PV technologies, a single inverter sets new portable solar input standards with a 5.6kW input*. Connect three inverters for a monumental 16.8kW, gaining a full day's home energy in 60 minutes. Whether you prefer a portable setup or a rooftop solar system, you can achieve true energy independence.
Flexible Solar Systems
With its flexible plug-and-play design and unrivaled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.
Rooftop Solar Systems
With its flexible plug-and-play design and unrivaled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.
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
0-ms Downtime, 0 dB Silent Backup
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
With its flexible plug-and-play design and unrivaled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.
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.
Why Shop With Us?
Fast & Free Shipping
Enjoy free, fast delivery on all orders. Your products will be dispatched within 48 hours.
30-Day Guarantee
Not satisfied? We offer a hassle-free 30-day money-back guarantee on all our products.
Guaranteed Purity & Performance
We provide certified gas with 99.9% minimum purity, preventing system contamination and ensuring optimal HVAC function.