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Backup your home during power outages with the EcoFlow DELTA Max. With an expandable capacity that reaches up to 6kWh, dual charging, and the ability to power your home devices, you can stay powered on in any situation.
Home emergency power: DELTA Max expands up to 6kWh with smart extra batteries, keeping your home powered on in any emergency.
Rapid dual charging: Charge up from 0-80% in 65 minutes. Or get up to 3400W speeds by combining AC charging and the EcoFlow Smart Generator.
Power multiple devices: Looking for something to power heavy-duty devices like your fridge and dryer? With X-Boost, DELTA Max handles devices up to 3400W with ease.
Best solar powered generator: Stay powered on no matter what. DELTA Max connects with up to 2x 400W EcoFlow solar panels to deliver 800W Max solar charging speeds.
Live eco-friendly: Use it as a solar powered generator for your home by powering appliances and tools on renewable energy.
Click here to learn more about DELTA Max Smart Extra Battery.
*Note: This item is only available for sale in the contiguous United States.
EcoFlow DELTA Max 2000 Features
Expandable home backup power.
A single DELTA Max unit packs a 2kWh capacity that is expandable up to 6kWh with DELTA Max smart extra batteries. This means when a blackout hits, you can continue to power your important home devices such as your fridge and lights for hours on end.
Convenient and fast dual charging.
DELTA Max charges up safely and rapidly from 0-80% in just 65 minutes. And it gets even better. If you’re looking for an even faster way to charge up DELTA Max, you can combine AC with the smart generator to get up to 3400W, AC with solar to get up to 2600W, or the Smart Generator with solar to get up to 2600W.*
Power 99% of your home devices.
With EcoFlow’s X-Boost technology, DELTA Max can power heavy-duty devices up to 3400W. That means during a power outage or blackout, you can continue to power your fridge, dryer, and more. That’s the industry gold standard for a portable power station of this size and capacity.
Harness the power of the sun.
DELTA Max connects with up to 2x 400W EcoFlow solar panels to deliver 800W Max solar charging speeds. With a voltage range from 11-100V and the Solar connector, you can also connect other solar panels to your DELTA Max. Even during cold or cloudy days, our smart maximum power point tracking (MPPT) algorithm automatically detects voltage and current in real time to give you optimum solar generation throughout the day.
Emergency backup power.
Disasters can occur at any time of the year, sometimes lasting longer than we ever expected. When extended blackouts hit, the EcoFlow Smart Generator serves as an emergency option that integrates with DELTA Max. It auto-starts when your DELTA Max hits a low level of charge, recharges your DELTA Max, and stops the engine all by itself once your DELTA Max hits a full charge. This gives you a reliable emergency backup option that relies on minimum use of a generator.
Control, monitor, and manage your energy use.
Control and monitor your DELTA Max with the EcoFlow app. Dive into the settings to customize your power use or control DELTA Max remotely.
Multiple ways to charge.
There are multiple ways to charge DELTA Max wherever you are. If you’re at home, plug into an AC wall outlet or solar panels. If you’re out and about, charge DELTA Max in your car or use solar panels if you’ve set up camp. In extreme emergencies during power outages, connect the DELTA Max to the Smart Generator for a last-standing power source.
1 - Solar Charging
2 - AC Charging
3 - Smart Charging
EcoFlow DELTA Max 2000 + DELTA Max Smart Extra Battery Specifications
USB-A Fast Charge: 2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max per port
USB-C Output: 2 ports, 5/9/12/15/20V, 5A, 100W Max per port
Car Power Output: 12.6V, 10A, 126W Max
DC5521 Output: 2 ports, 12.6V, 3A, 38W Max per port
AC Charging Input: 1800W Max, 15A
Solar Charging Input: 800W Max, 11-100V, 13A
Car Charging Input: Support 12V/24V battery, 8A
Battery Chemistry: NCM
Cycle Life: 800 cycles to 80% capacity
Connection: Wi-Fi
Net Weight: Approx. 48 lbs.
Dimension: 19.6*9.5*12 in
Frequently-Asked Questions
How many solar panels can I use at the same time with DELTA Max?
It depends on the total voltage and watts of solar panels you choose. As long as the solar panels use MC4 connector and its voltage and current are under 11-100V, 13A max range.
What's the max input for DELTA Max?
When charging DELTA Max and its extra battery together, you can reach 3600W max charging speeds by combining any two methods of AC, solar and Smart Generator. For DELTA Max single unit, you can recharge it at standard wall outlets (1800W max), or combine AC and solar charging to reach max 2000W charging speeds.
How does the Emergency Power Supply (EPS) work? And how fast is it?
When your portable power station is plugged into the wall, any electronics plugged into it are powered from the grid and not its battery. When power from the grid stops, as in a blackout, the power station automatically switches to battery power within 30ms.
What's the water-resistance rating for this product?
DELTA Max is not water-resistance, so it should be kept away from liquids. Or if you're looking for water-resistance solution, you can purchase the DELTA Max case to water-resistance protection.
The EcoFlow Delta Max is quite a powerhouse with portability and smart design.
Outbound provided great service, I had a small delay in tracking and delivery of my extra battery, I reached out and everything was taken care of in a timely manner. I will plan on ordering from the company again. Thanks!
Hi LieAnne,
I agree, Delta Max is quite indeed a powerhouse in keeping essentials up and running during outages. Sorry for the delays in connection with your order during that time, we're glad we were able to sort it out for you promptly. Looking forward to being of service to you again.
So far the P3 has worked flawless very happy. It is only been here a few weeks tho, so we will see.
We are thrilled to know the Delta Pro 3 has been working out for you so far. If you have any questions please let us know and we will be happy to be of service. Thank you!
Decided to pull the plug and get the F3800 and extension battery after Hurricane Beryl. Luckily we haven’t had to use it in an emergency but we’ve done some testing and couldn’t be happier! Great piece of kit, recommend to pair it with a small inverter generator in case there’s limited sunlight.
Thanks for sharing your experience! It’s great to hear that you decided to go for the F3800 and expansion battery and I’m glad your testing went well. It’s always a relief to be prepared, even if you haven’t needed it in an emergency yet! Pairing it with a small inverter generator sounds like a smart move for those cloudy days. If you ever need anything or have more questions, feel free to reach out. Stay prepared and safe!
Experience to.good to be true but it was! Thanks for a fair price and prompt delivery.
Thank you so much for the great feedback! I'm thrilled to hear that your EcoFlow DELTA Pro arrived right on time and that the experience was even better than expected. We always aim to provide fair pricing and prompt service, so it's wonderful to know we hit the mark for you. If you need any further assistance or have more feedback, feel free to reach out. Enjoy your new power station!
Excellent investment. Kept us up and running during hurricane.
Thank you for sharing your experience! I’m so glad to hear that the EcoFlow DELTA Pro Ultra kept you powered up during the hurricane—it’s great to know it proved to be a solid investment in such a critical time. If you need anything or have more feedback down the road, don’t hesitate to reach out. Stay safe, and thanks again for your review!
Thanks for the update! I'm glad to hear the EcoFlow DELTA Pro Ultra Battery is working well so far. If you have any questions or need assistance as you continue to use it, feel free to reach out. We're here to help, and we appreciate your feedback!