EcoFlow Delta 2 vs Delta 2 Max: Which is the Best Choice for You?
In this product comparison we compare two similar portable power stations: the EcoFlow Delta 2 vs Delta 2 Max. Learn what they have in common and what the differences are and pick the right model for your needs.
Read our other Portable Power Station Reviews or learn what the TOP performers are for different occasions: TOP 10 BEST Portable Power Stations, BEST Portable Power Stations for Camping, BEST Portable Power Stations for Power Outage, BEST Portable Power Station under $200, BEST Portable Power Station for Refrigerator.
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We’ve highlighted which power system performs best in each feature category:
Comparison Table: EcoFlow Delta 2 vs. EcoFlow Delta 2 Max
Feature | EcoFlow Delta 2 | EcoFlow Delta 2 Max |
---|---|---|
Capacity | 1024 Wh | 2048Wh |
AC Output | 6 outlets, 1800W total (Surge 2700W) | 6 outlets, 2400W total (Surge 4800W) |
USB-A Output | 2 ports, 5V, 2.4A, 12W Max | 2 ports, 5V, 2.4A, 12W per port |
USB-A Fast Charge | 2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max | 2 ports, 5V/9V/12V/15V/20V, 18W Max |
USB-C Output | 2 ports, 5/9/12/15/20V, 5A, 100W Max | 2 ports, 100W per port |
Car Power Output | 1 port, 12.6V, 10A, 126W Max | 1 port, 12.6V, 10A, 126W Max |
Solar Charging Capacity | 11-60V, 15A, 500W max | Up to 1000W (dual port) |
Charging Speed | 1.3 hours (X-stream fast charging) | 1.6 hours (AC charging, 1800W input) |
Battery Chemistry | LFP (LiFePO4) | LFP (LiFePO4) |
Cycle Life | 3000 cycles to 80% | 3000 cycles to 80% |
Weight | 27lbs (12kg) | 50 lbs (23 kg) |
Dimensions | 15.7 x 8.3 x 11 in | 19.6 x 9.5 x 12 in |
App Control | Yes | Yes, via Wi-Fi and Bluetooth |
Pass-Through Charging | Yes | Yes |
Noise Level | Quiet | Quiet operation with improved ventilation |
Solar + AC Dual Charging | Yes | Yes |
Normal Retail Price | ~$999 | ~$1,899 |
Read full Review | Read full Review |
Key Features Comparison: EcoFlow Delta 2 vs. EcoFlow Delta 2 Max
Power/Performance
Let’s start with the biggest difference between the Ecoflow Delta 2 vs Delta 2 Max: the capacity. The Delta 2 Max has twice the battery capacity compared to the Delta 2, which is 2048Wh vs 1024Wh respectively. The Delta 2 Max can also deliver higher power with 2400W and 4800W surge. The power capabilities of the Delta 2 are a bit lower with 1800W and 2700W in surge. Both portable power stations have 6 AC outlets and also the amount of ports like USB ports and DC outlets are the same for both models with the same specs.
Portability & Design
Both models look identical because they have the same housing. The only difference here is that the Delta 2 Max is bigger and heavier. The Delta 2 Max weighs almost twice as much compared to the Delta 2. Hence, the portability of the Delta 2 will be much better compared to the Max. If you need maximum portability than this is definitely something to consider.
Battery Life and Expandability
However, the Delta 2 Max has a larger battery, both models feature the same LFP battery type which are good for 3000 life cycles until they reach 80% as maximum capacity. Both models are expandable with additional batteries.
Charging Time and Solar Compatibility
Charging Time
Both the Delta 2 and Delta 2 Max show excellent charging performance. The Delta 2 can be charged up to 80% in only 50 minutes and 100% in 80 minutes. On the Delta 2 Max it takes a little longer. However, taking into account that it has twice the battery capacity, charing to 100% in 96 minutes is still very good.
Solar Compatibility
Both power stations are portable solar generator which means you can charge them via portable solar panels. The Delta 2 max has twice the solar input (1000W) compared to the Delta 2 (500W). However, the Delta 2 Max has twice the battery capacity so in charging time through solar there won’t be a big difference.
Price and Value for Money
Both portable solar generators offer excellent value for money. Depending on what you need it for it could be worth it to consider to upgrade to the Delta 2 Max, which comes with a higher price tag.
Pros and Cons of the EcoFlow Delta 2 Max

Pros
- Higher battery capacity of 2048Wh
- Higher power output of 2400W
- Improved ventilation
Cons
- Heavier and bigger
- Higher price
Pros and Cons of the EcoFlow Delta 2

Pros
- Lower price
- More portable
Cons
- Less capacity
- Less power
- No improved ventilation
Real-Life Use Cases
When to Buy the EcoFlow Delta 2 Max
If you are looking for a mid range portable power station that is capable of powering a variety of mid range appliances, than the Delta 2 Max is a good choice. You can power heavier devices or can power your appliances for a longer time with twice the battery capacity.
EcoFlow Delta 2 Max score: 3.8/5 stars
Power heavier appliances or for longer periods of time with the EcoFlow Delta 2 Max portable solar generator.
Best DealWhen to Buy EcoFlow Delta 2
If your are looking for a solar generator that can power smaller appliances than the EcoFlow Delta 2 is an excellent choice. If you don’t need to power heavier appliances and portability is a must than go for the Delta 2.
EcoFlow Delta 2 Review score: 3.6/5 stars
More portable and lower price. Perfect to power or charge smaller appliances for quite some time.
Best DealFrequently Asked Questions (FAQ)
Which is better EcoFlow, Delta 2 or Delta Max?
The Delta Max has a larger battery capacity and is better for extended use, while the Delta 2 is more portable and charges faster.
Which is better, Bluetti or EcoFlow?
EcoFlow typically charges faster, while Bluetti often offers larger battery capacities and more advanced battery technology.
Can EcoFlow Delta 2 power a refrigerator?
Yes, it can power most refrigerators for several hours depending on the fridge’s wattage.
What is the lifespan of Delta 2 EcoFlow?
The Delta 2 has a lifespan of approximately 3,000 cycles before reducing to 80% of its original capacity.
Can I use EcoFlow Delta 2 while charging?
Yes, the Delta 2 supports pass-through charging.
Can you leave the EcoFlow Delta Max plugged in all the time?
Yes, it can be left plugged in, but occasional unplugging is recommended to preserve battery health.
How long can EcoFlow Delta Max power a fridge?
It can power a standard refrigerator for 10-20 hours depending on the wattage and usage.
Can you use an EcoFlow Delta 2 as an UPS?
Yes, the Delta 2 can function as an uninterruptible power supply (UPS).
How long can an EcoFlow Delta 2 run a TV?
It can power a standard TV for 6-8 hours depending on the TV’s wattage.
Can the EcoFlow Delta 2 run a microwave?
Yes, it can run a microwave as long as the wattage is within the Delta 2’s output capacity.
How many watts is the Delta 2 EcoFlow?
The Delta 2 has a 1,800W output capacity and a 1,200Wh battery.
Should you charge EcoFlow to 100%?
Occasionally charging to 100% is fine, but keeping it between 20% and 80% prolongs battery health.
Does EcoFlow Delta 2 have Bluetooth?
Yes, the Delta 2 supports Bluetooth for app connectivity.
Can you run EcoFlow down to zero?
Yes, but frequently running it down to zero can reduce the battery lifespan over time.
Conclusion: EcoFlow Delta 2 vs Delta 2 Max
De EcoFlow Delta 2 and Delta 2 Max are both well build power stations. They look exactly the same but the Delta 2 Max is larger and heavier due to the larger battery. Their features are very similar but the Delta 2 max has a much higher battery capacity and output power. It’s good for people who want to power mid range appliances or want extra long battery time. When this is not a must but you prefer portability and a lower price than the Delta 2 is the way to go for you.

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