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- Specifications
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The EcoFlow DELTA Pro Ultra Extra Battery.
Don’t just store power – command it. The EcoFlow DELTA Pro Ultra Extra Battery is your essential key to transforming your DELTA Pro Ultra system from a powerful foundation into a truly colossal, self-sufficient energy fortress. This isn’t just an add-on; it’s the strategic expansion that multiplies your resilience, extends your adventures, and unlocks the full, awe-inspiring potential of the world’s most advanced portable power ecosystem. Each Extra Battery seamlessly integrates, adding a substantial 6kWh of robust, long-lasting energy
...Don’t just store power – command it. The EcoFlow DELTA Pro Ultra Extra Battery is your essential key to transforming your DELTA Pro Ultra system from a powerful foundation into a truly colossal, self-sufficient energy fortress. This isn’t just an add-on; it’s the strategic expansion that multiplies your resilience, extends your adventures, and unlocks the full, awe-inspiring potential of the world’s most advanced portable power ecosystem. Each Extra Battery seamlessly integrates, adding a substantial 6kWh of robust, long-lasting energy storage.
Your Foundation for Limitless Scale: Build Your Power Reserve (Add 6kWh Each, Up to 30kWh Total)
The true genius of the DELTA Pro Ultra system lies in its effortless, intelligent scalability. Starting with the core Inverter Module and one 6kWh battery provides impressive power. But why stop there? Each DELTA Pro Ultra Extra Battery adds another full 6kWh of usable capacity directly to your system.
- Start Simple:Â Core System (6kWh) powers essentials for hours or fuels significant off-grid trips.
- Double Down: Add one Extra Battery (12kWh Total) for extended home backup overnight or multi-day off-grid comfort.
- Triple Your Might: Add two Extra Batteries (18kWh Total) to power major home circuits for a full day+ or run a comprehensive off-grid setup for extended periods.
- Achieve Colossal Capacity: Connect up to FIVE DELTA Pro Ultra Extra Batteries to your Inverter Module. This creates an unprecedented 30kWh of stored energy, enough to power critical home loads for multiple days during extended outages, sustain a large off-grid cabin, or provide unparalleled energy autonomy for the most ambitious expeditions. Build your energy reserve precisely to meet your evolving needs.
The Heart of Endurance: Industry Leading LFP Battery Chemistry (3500+ Cycles, 10+ Year Lifespan)
Just like the core battery, every DELTA Pro Ultra Extra Battery utilises premium Lithium Iron Phosphate (LFP) chemistry. This is the gold standard for reliability, safety, and exceptional longevity in energy storage. Investing in expansion means investing in decades of dependable power:
- Remarkable Longevity: Engineered for over 3500 full charge cycles while maintaining over 80% capacity. This translates to a lifespan exceeding 10 years, even with regular use.
- Uncompromising Safety:Â LFP batteries are inherently stable, highly resistant to thermal runaway, and significantly safer than other lithium-ion types, giving you peace of mind whether installed in your home garage or transported for adventure.
- Consistent Performance:Â Delivers reliable power output throughout the vast majority of its charge cycle, ensuring your devices and appliances run smoothly.
- Wide Temperature Tolerance:Â Performs reliably across a broader range of environmental conditions compared to alternatives.
Seamless Integration & Rapid Replenishment: Powered by the Ultra Ecosystem
Adding an Extra Battery is designed for simplicity. It plugs directly into your existing DELTA Pro Ultra Inverter Module or chains onto another battery, managed effortlessly through the central system. Crucially, it leverages the DELTA Pro Ultra’s revolutionary X-Stream Fast Charging Technology and versatile inputs:
- Recharges at Lightning Speeds:Â Benefit from the same rapid charging capabilities as the core system. While charging speed depends on the total system capacity and the charging method used (Solar, AC Wall, AC EV, Generator, or Multicharge), the powerful Inverter Module ensures all connected batteries recharge simultaneously at the maximum possible rate. Remember, the system can recharge two 6kWh batteries (12kWh) to full in approximately 2 hours via AC EV charging!
- Harness the Sun: Contribute significantly to your solar energy storage goals. The high-PV input (up to 5600W) efficiently channels solar energy into all connected batteries.
- Multicharge Advantage:Â Combine Grid + Solar charging for up to 8800W input, rapidly filling your expanded battery bank.
Pure Power Expansion: Designed for the DELTA Pro Ultra Ecosystem
- Essential Compatibility: The DELTA Pro Ultra Extra Battery is exclusively designed to work seamlessly with the EcoFlow DELTA Pro Ultra Inverter Module. It cannot function as a standalone power station.
- Intelligent Management: All connected batteries (core + extras) are monitored, managed, and optimised collectively through the EcoFlow OASIS app. The AI-driven system ensures balanced charging/discharging for maximum lifespan and efficiency across your entire energy reserve.
- Portability with the Trolley: Need to take your expanded power on the go? The DELTA Pro Ultra Trolley (sold separately) is designed to transport the Inverter Module plus one or two batteries (6kWh or 12kWh total). Effortlessly wheel substantial power reserves to your next campsite, job site, or event.
Built to Last, Backed by Confidence: 5-Year Warranty
EcoFlow stands behind the quality and durability of every DELTA Pro Ultra Extra Battery. Your expansion investment is protected by a robust 5-year warranty, ensuring peace of mind and long-term reliability.
Unlock the Full Potential of Your EcoFlow DELTA Pro Ultra
The core DELTA Pro Ultra system is a revolution. Adding Extra Batteries is your evolution towards true energy independence and unparalleled resilience. Whether you demand peace of mind through extended home backup, seek complete off-grid living freedom, or require massive portable power for professional or recreational use, each Extra Battery is a strategic step towards your ultimate energy goals.
Order your EcoFlow DELTA Pro Ultra Extra Battery now and start expanding your energy horizons!
What’s In the Box?
EcoFlow DELTA pro Ultra Battery, EcoFlow Battery Connection Cable (DELTA Pro Ultra) 0.2m, Safety Guide.
Read MoreMain Features :
- Model DELTA Pro Ultra Extra Battery
- Battery Capacity 6144Wh
- Warranty 5 years
EcoFlow DELTA Pro Ultra Battery:
- Battery Chemistry LFP lithium iron phosphate (LiFePO4)
- Battery Capacity 6144Wh /102.4V, 32S3P
- Cycle Life >3500 Cycles to 80%
- Cell specification 20Ah, 3.2V
- Cell efficiency ≥95% under full AC load
- Temperature range Charging: −20°C to 45°C (self-heating enabled below 0°C, no derating below 40°C) Discharging: −20°C to 45°C
- Battery heating Supported, operable at −20°C
- Battery balancing Control of charging/discharging limits per battery pack via app
- Protection types Over-temperature, low-temperature, overdischarge, overcharge, overload, short-circuit, and over-current protection
Dimensional Data DELTA Pro Ultra Battery:
- Length (L) 660mm
- Width (W) 455mm
- Height (H) 204mm
- Weight 52.7 kg
Delivery
When will I receive my order?
In most cases, a product on our website will give you an indication of the current stock availability, but shipping is not uniform for all products. We maintain fantastic relationships with all of our suppliers and we aim to get products to customers within 3 business days of the order being taken. This ava
...When will I receive my order?
In most cases, a product on our website will give you an indication of the current stock availability, but shipping is not uniform for all products. We maintain fantastic relationships with all of our suppliers and we aim to get products to customers within 3 business days of the order being taken. This availability is based on information from our suppliers and from sales and supply patterns. The availability information given is a guide only and not a guarantee as there are external factors that we may not have control over.
Coronavirus Update – UK couriers and transport companies will not currently guarantee delivery times and we are seeing a slight delay in deliveries – please bear this in mind when ordering.
Specialist Couriers – Some items such as the larger portable power stations are sent by specialist courier as standard couriers will not accept them. These specialist couriers are very reliable but sometimes don’t have tracking or timed delivery.
Split deliveries – We sometimes need to send orders for more than one item by different courier networks (portable power stations for example) – so you may receive items at different times.
1500rpm machines or larger diesel gensets however are typically priced on application and all depend on the destination. We will be happy to quote on any large diesel generator and discuss your needs over the phone or via email.
Most orders placed before 12pm on a business day will be shipped from our suppliers on the same day provided the product is in stock. If you need to be certain an item is in stock and available, or if you need a lead time, it’s worth calling our sales team on 01329 722390. Pricing for extended shipping areas like Northern Ireland, the Scottish Highlands and outlying Islands, Outer Hebrides, Channel Islands, Isle of Man, Scilly Isles, and other postcodes not considered as UK mainland are calculated at the checkout or can be obtained by calling our offices.
Please note that the processing of a payment and acknowledgement email does not constitute a legally binding contract. In the case of mispricing, changes in stock quantity, or if we believe the machine will be misused, we reserve the right to cancel the order and provide a full refund.
Heavy Items
You will be contacted by phone after ordering a larger item to confirm a delivery date before your order is dispatched. Large or heavy items are dispatched through a pallet network, so if we can’t get in contact with you, we may be unable to send out your item on a next day delivery. Please be sure to include a working phone number with your order.
Heavy items will require the recipient to make arrangements to take delivery of the goods and may require the recipient to help the courier unload the item. For items that are delivered on a pallet the courier will leave the pallet as close to your door as possible.
1500rpm diesel generators will require forklift (or similar) offloading; if this is not available then we can arrange a Hiab offload at an additional price – please call us to discuss any delivery requirements.
Read More
Have any questions on the EcoFlow DELTA Pro Ultra Extra Battery?
Get in touch with us today and we'll be happy to answer any questions you have.
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01329 722390
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