PRODUCT DESCRIPTION
Equipped with an upgraded LiFePO4 (LFP) battery, the EcoFlow DELTA 2 Max portable power station delivers exceptional durability and longevity, offering 3,000 complete charge cycles before reaching 80% capacity. That’s up to 10 years of reliable daily use and six times longer than comparable power stations. Unlike traditional lithium-ion batteries, LiFePO4 technology ensures superior safety, efficiency, and thermal stability, making the DELTA 2 Max an industry-leading choice for home backup, off-grid power, and everyday energy needs.
EcoFlow
EcoFlow DELTA 2 Max Portable Power Station 2048Wh
EcoFlow DELTA 2 Max Portable Power Station 2048Wh
SKU: EFDELTA2Max-US
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- Price: $1,699.00
- Regular price
- List Price: $1,899.00
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- Price: $1,699.00
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After leaving our warehouse, the expected delivery time is 3-4 Business Days, resulting in an average total shipping and handling time of 4-7 Business Days.
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Returns & Exchanges
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Description
Massive Power, Limitless Possibilities
The EcoFlow DELTA 2 Max Portable Power Station is built for those who need serious power, whether at home, off-grid, or on the move. With a huge 2048Wh capacity, this expandable battery backup system ensures your most essential devices stay powered during blackouts, road trips, or remote adventures.
Need even more energy? Expand up to 6,144Wh by adding two EcoFlow DELTA 2 Max Smart Extra Batteries, turning this powerhouse into a long-term backup solution for homes, RVs, and off-grid setups.
Unmatched Performance | 2400W Output (4800W Surge)
From small devices to heavy-duty appliances, the DELTA 2 Max delivers an impressive 2400W output, allowing you to run:
Refrigerators & Freezers: Keep food fresh for days
CPAP Machines & Medical Devices: Reliable overnight power
Power Tools & Workshop Equipment: High-wattage support for professionals
Kitchen Appliances (Microwaves, Coffee Makers, Induction Cooktops): Full functionality in blackouts or on the road
Home Office Setup (Laptops, WiFi Routers, Monitors): Stay connected no matter what
X-Boost technology: you can even power devices up to 3400W without worrying about overload.
Super Fast Charging Up To 80% in Just 1 Hour
Forget long waits, EcoFlow’s X-Stream fast-charging technology gets you from 0 to 80% in just 1 hour and fully charged in under 2 hours via an AC wall outlet. Whether you’re gearing up for an emergency or prepping for a weekend getaway, you’ll never be stuck waiting for power.
100% Solar-Ready | Go Off-Grid with Renewable Energy
Pair the DELTA 2 Max with up to 1000W of solar input, and you’ve got a powerful solar generator that lets you stay off-grid for longer. Using EcoFlow’s 400W solar panels, you can recharge in as little as 2.3 hours in direct sunlight, making it the perfect choice for sustainable energy independence.
Safe & Long-Lasting | LiFePO4 Battery with 10-Year Lifespan
Unlike standard lithium-ion batteries, the DELTA 2 Max is powered by advanced LiFePO4 cells, offering 3,000+ full charge cycles before dropping below 80% capacity. That’s 10+ years of daily use, making it one of the most durable and reliable power stations on the market.
Smart Energy Management | Monitor & Control from Anywhere
Stay in control with the EcoFlow app, allowing you to track power usage, customize charging settings, and optimize efficiency, all from your phone. Whether you’re home or away, smart monitoring keeps you informed and maximizes your energy use.
Backup Power for Home & Emergency Use (UPS Mode)
With Uninterruptible Power Supply (UPS) functionality, the DELTA 2 Max kicks in automatically during a power outage, ensuring continuous power for essential devices like refrigerators, WiFi routers, and home security systems.
Power Your Life Without Limits
Whether you’re looking for the best backup battery for home outages, a high-capacity solar generator for off-grid living, or a powerful portable solution for RVs and travel, the EcoFlow DELTA 2 Max is built for it all.
DELTA 2 Max Can Power 99% of Essential Appliances with X-Boost Technology
The EcoFlow DELTA 2 Max Portable Power Station is built to handle multiple high-wattage appliances simultaneously, making it the ideal home backup power solution. With an impressive 2400W AC output, this powerhouse can run up to 15 devices at once, keeping your essentials powered during blackouts, emergencies, or off-grid adventures.
Need extra power? X-Boost mode increases output to 3400W, allowing you to run even energy-hungry appliances like refrigerators, microwaves, dryers, and coffee makers without worry. Unlike other portable power stations, the DELTA 2 Max prevents overloading and overheating, ensuring a safe, stable energy supply for home use, travel, and emergency preparedness.
Unmatched Runtime Keeps Your Essentials Running for Hours
Refrigerator: Up to 14 hours of cooling power
CPAP Machine: Ensures 41 hours of uninterrupted sleep
WiFi Router: Stay connected for 97 hours
TV: Power your entertainment for 15 hours
Laptops, smartphones, and more: Charge multiple devices simultaneously
Whether you’re preparing for an extended power outage, camping off-grid, or running a mobile workspace, the EcoFlow DELTA 2 Max is the ultimate battery backup power generator for any situation.
World’s Fastest Recharging Methods
The EcoFlow DELTA 2 Max portable power station features X-Stream fast charging technology, delivering lightning-fast recharge speeds up to four times faster than the industry standard. With a powerful 1800W AC input, it charges from 0-80% in just 68 minutes and reaches full capacity in 1.1 hours. Need even faster charging? Combine solar + AC input to reach 80% in just 43 minutes, an industry-leading speed.
For off-grid and eco-friendly energy solutions, the DELTA 2 Max supports up to 1000W solar input, fully recharging in as little as 2.3 hours with EcoFlow solar panels, ensuring sustainable and efficient power anywhere.
10 Year Long-lasting LFP Battery
Reliable 120V Home Backup | Power Through Outages with Ease
The EcoFlow DELTA 2 Max portable power station is the ultimate rechargeable backup power solution, delivering a massive 2400W AC output to keep your essential appliances running during blackouts. Connect the DELTA 2 Max (2kWh) and up to two Smart Extra Batteries (expanding to 6kWh) to your home's transfer switch for seamless partial home backup power. Designed with a plug-and-play system, it makes preparing for power outages easier than ever, ensuring your refrigerator, WiFi router, medical devices, and home essentials stay powered when you need them most.
Expand Your Power Up to 6kWh of Reliable Backup Energy
The DELTA 2 Max offers flexible energy expansion, allowing you to use it as a standalone unit or connect up to two Smart Extra Batteries for a massive 6kWh capacity. Whether you're preparing for extended home backup, off-grid adventures, or longer-lasting power during emergencies, this modular system ensures you have the energy you need, whenever and wherever you need it.
99% MPPT Efficiency
EcoFlow's smart (MPPT) algorithm automatically detects voltage and current in real-time to give you optimum solar generation throughout the day, even during cold and cloudy days. With a solar input of 1000W, connect up to 2 EcoFlow 400W Portable Solar Panels or 4 sets of 220W Bifacial Solar Panels.
Specs
EcoFlow DELTA 2 Max Specs
| Capacity | 2048Wh |
|
AC Output
|
6 outlets, 2400W total (Surge 4800W) |
| USB-A Output | 2 ports, 5V, 2.4A, 12W Max per port |
| USB-C Output | 2 ports, 5/9/12/15/20V, 5A, 100W Max per port |
| DC5521 Output | 2 ports, 12.6V, 3A, 38W Max per port |
| AC Input Voltage | 100-120V~ max. 15A 50Hz/60Hz |
| Car Charging | Support 12V/24V battery, 8A |
| Extra Battery | Supports up to two DELTA 2 Max Extra Batteries/DELTA Max Smart Extra Battery |
| Max Device (s) Power (with X-Boost) | X-Boost 3400W |
| USB-A Fast Charge | 2 ports, 5v, 2.4A/9V, 2A/ 12V, 1.5A, 18W Max |
| Car Power Output | 1 port, 12.6 V, 10A, 126W Max |
| AC Charging | X-Stream Fast Charge 1800W, 15A |
| Solar Charging | 11-60V, 15A, single port 500W: dual port 1000W |
| EcoFlow WAVE / WAVE 2/ GLACIER/ Smart Generator | Supported |
| Cycle Life | 3000 cycles to 80%+ capacity |
| Battery Chemistry | LFP (LiFePO4 Battery) |
| Connectivity | WiFi and Bluetooth |
| Net Weight | 50lb ( 23kg) |
| Dimensions | 19.6 x 9.5 x 12 inches ( 497 x 242 x 305 mm) |
What's in the Box?
What's in the Box?
| EcoFlow DELTA 2 Max Portable Power Station | x 1 |
| AC Charging Cable | x 1 |
| Car Charging Cable | x 1 |
| DC5521 to DC5525 Cable | x 1 |
| User Manual | x 1 |
| Warranty Card | x 1 |
FAQ
EcoFlow DELTA 2 Max FAQ
Q: Can I use the DELTA 2 Max when it is wet?
Do not expose this product to any liquid. Do not immerse or wet this product in water. Do not use the product in rain or wet environment.
Q: Can I take the DELTA 2 Max on an airplane?
No.
Q: What if the DELTA 2 Max cannot be turned on?
1. Try to charge the device and then turn on the power. If charging fails, troubleshoot the problem as the power cannot be charged. 2. If there is no response after you short or long press (for 3 seconds) the main power button, contact the after-sales service team for help.
Q: What if the DELTA 2 Max cannot be charged?
1. The charging temperature is too high. If you use high power appliances for a long time, stop using the product until the temperature drops. 2. The charging temperature is too low. Place DELTA 2 Max in a warm environment. 3. Check whether the input meets the specifications. 4. Check whether a charging limit is set. 5. In case of charging failure, try to change the charging method or charging cable.
Q: What are recommendations for storage if the DELTA 2 Max is not used for a long time?
1. Store the product away from water, heat sources, and metal objects. 2. To extend the battery life, it is recommended to use or store the product at ambient temperature from 20°C to 30°C. 3. For long-term storage, charge and discharge the product once every 3 months (firstly discharge it to 0%, then fully charge the device, and then discharge it to 60% for long-term storage); products not charged and discharged for more than 6 months will not be covered by warranty. 4. For safety reasons, do not store this product at ambient temperature higher than 45°C or lower than –10°C for a long time. 5. If the product is critically low on power and left unused for a long time, it will enter sleep mode and will need to be recharged before you need to use it again.
Q: Is DELTA 2 Max Extra Battery compatible with DELTA Max and DELTA 2?
The DELTA 2 Max Extra Battery is compatible with DELTA Max (2000) and DELTA 2.
Q: Can I switch the frequency? How to switch it?
It is not recommended to switch the frequency. If required, turn on the AC power supply, press and hold the AC output switch for 10 seconds to switch the frequency. (Do not switch the AC output frequency; otherwise, it may cause failure of some appliances.)
Q: Is it also impossible to turn off the device while charging? Will it turn on automatically if it is off after powering up?
In the off state, the product will automatically turn on after powering up. The device cannot be switched off during charging.
Q: How to calibrate the SOC?
Fully discharge and charge the battery for one time and then recalibrate it.
Q: What is the battery type of the DELTA 2 Max?
LFP battery. 80% capacity remaining after 3000 cycles.
Q: What connection methods does the APP support?
Bluetooth and Wi-Fi.
Q: How many solar panels can be installed with the DELTA 2 Max, and what is the solar charging power?
DELTA 2 Max has 2 solar/car charging input ports, with voltage range of 11-60V for each port, and maximum solar charging power 500W for each port. Each port can be connected to one 400W solar panel, or two 220W solar panels in series.
Q: Can the DELTA 2 Max used with other ecosystem products?
It supports WAVE and WAVE 2 portable air conditioners, GLACIER portable refrigerator,s and Smart Generators.
Q: Can DELTA 2 Max be used with the Extra Battery?
Up to 2 Extra Batteries can be connected. It is compatible with DELTA Max Extra Battery. It can be expanded to 6144Wh at maximum.
Q: What are the weight and noise level of the DELTA 2 Max?
Net weight: 23 kg. Within a range of 50 cm, the noise level is 30 dB when the input or output power is below 500W.
Q: What is the capacity of the DELTA 2 Max?
2048Wh.
Q: Does the DELTA 2 Max support charging while using?
Yes, power station supports charging and discharging when charging in vehicles, portable solar panel, etc. However, when the battery of the machine is low or is about to run out, it is best not to output while connecting to DC charging (solar/vehicle charging); at this time, if the input of the power is less than or equal to the output power, the device will continue to consume power, which may result in power loss and eventually damage the battery.
Q: How do I access EcoFlow's EU Declaration of Conformity documents?
A copy of the documents is available online at www.ecoflow.com/uk/eu-compliance
Q: How long can the DELTA 2 Max charge my devices?
The charging time is shown on the product’s LCD Screen, which can be used to estimate the charging time of most appliances with stable power usage.
Q: How do I know if the DELTA 2 Max is charging?
When it’s charging, the remaining charging time will be shown on the LCD Screen. Meanwhile, the charging indicator icon begins to rotate with the remaining battery percentage and the input power shown on the right of the circle.
Q: How to clean the DELTA 2 Max?
Please gently wipe it with a dry, soft, clean cloth or paper towel.
Q: 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.
