ECOFLOW Delta Pro Ultra Portable Inverter + Extra Battery: The ultimate backup power station for seamless high-end power supply
Designed for demanding homeowners, business professionals, and off-grid specialists who refuse to compromise on reliability. The ECOFLOW Delta Pro Ultra Portable Inverter + Extra Battery Bundle delivers a massive base capacity of over 12 kWh and a groundbreaking continuous AC output of up to 6,900 W. Thanks to the seamless UPS switchover time of under 20 milliseconds and the revolutionary high- and low-PV solar charging architecture, you can protect your sensitive electronics and heaviest appliances with absolute silence, regardless of weather conditions, and with future-proof performance.
Highlights of the EcoFlow DELTA Pro Ultra Inverter
- Outstanding AC output: Delivers a massive continuous output of up to 6,900 W at 230 V, enabling the effortless and simultaneous operation of air conditioning units, heat pumps, or heavy tools.
- Dual, revolutionary solar charging: Equipped with two separate PV inputs (High-PV up to 4,000 W and Low-PV up to 1,600 W) for an unbeatable total solar capacity of up to 5,600 W.
- Uninterruptible power supply (UPS): With a switchover time of less than 20 ms, it guarantees seamless protection for sensitive server structures and smart home technology during power outages.
- Robust IP54 protection class: Provides excellent protection against dust and water splashes when properly covered, making it ideal for demanding outdoor use.
- Whisper-quiet high-end operation: Operates extremely quietly during use with a noise level of less than 30 dB, ensuring undisturbed usage indoors.
Highlights of the EcoFlow DELTA Pro Ultra Battery
- Gigantic module capacity: Offers a proud 6,144 Wh (6 kWh) of pure energy per battery pack and can be modularly expanded up to 30 kWh within the system network.
- Future-proof LFP cell chemistry: The highly developed lithium iron phosphate technology guarantees outstanding battery health (SoH) of over 80% even after 3,500 cycles.
- Seamless multi-protection BMS: Integrated battery management system with real-time protection against overvoltage, overload, overheating, short-circuit, and deep discharge.
Technical specifications
Advantage for professionals: The ECOFLOW Delta Pro Ultra bundle is the non-plus-ultra backup system for demanding autonomous grids and commercial power reliability. With the highly efficient split into separate high- and low-PV inputs, you maximize your solar potential, while the extremely long-lasting LFP battery technology (3,500+ cycles) ensures reliable amortization over decades. The perfect combination of brute 6,900 W inverter power and modular expandability offers you absolute, uncompromising independence from grid suppliers.
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Frequently Asked Questions
What are the advantages of using a photovoltaic system from Terra Energy?
What are the advantages of using a photovoltaic system from Terra Energy?
With a PV solution, companies can reduce their energy costs, cut CO₂ emissions, and strengthen their corporate sustainability. Our partner solutions ensure performance, efficiency, and future-proofing in B2B applications.
What happens after I purchase a system? Is there support or maintenance?
What happens after I purchase a system? Is there support or maintenance?
Our service doesn't end with your purchase. We support you from delivery and commissioning to the long-term optimization of your system. Our technical support team is available to answer questions and can arrange specialized installation or maintenance partners if needed.
What shipping and delivery options do you offer?
What shipping and delivery options do you offer?
Within Germany, we generally offer free shipping for photovoltaic systems. For international deliveries or bulky components such as modules or mounting systems, we will individually prepare a shipping solution for you (e.g., pallet delivery, truck freight).
What payment methods are available to business customers?
What payment methods are available to business customers?
We offer various payment options for business customers, including prepayment and purchase on account. Simply contact our sales department.
How does Terra Energy support me in selecting and planning my PV solution?
How does Terra Energy support me in selecting and planning my PV solution?
We offer expert advice and customized planning, taking into account location, consumption, subsidies, and technology. Together, we will develop your optimal solution, from the initial concept to commissioning.
What brands and technologies do you carry?
What brands and technologies do you carry?
We work with leading manufacturers and brands in the photovoltaic and energy storage segments to offer you state-of-the-art technology with high quality and performance. Please feel free to ask us for specific manufacturer and product details for your project.
