Not for: Sensitive gear needing a near-instant UPS
The EcoFlow DELTA 2 Max is a 2,048Wh power station with 2,400W of AC output and 15 outlets. It can expand to 6kWh with extra batteries and sells for about $950 to $1,150.
What you need before you buy
A spot to keep it: at 50.6 lb it is best on a shelf or cart.
The EcoFlow app for charging speed and quiet settings.
Optional extra batteries or solar for longer outages.
What it can power
A fridge for a day or two, lights, Wi-Fi and phones for several days, and most kitchen appliances for short bursts. Try our battery backup calculator with your own devices.
How I researched this: EcoFlow’s DELTA 2 Max product page and specs, the Amazon listing, and a video review from Jeremiah Mcintosh. Prices checked October 30, 2026.
EcoFlow DELTA 2 Max
The EcoFlow DELTA 2 Max offers 2,048Wh, 2,400W output and expands to 6kWh. Here is who should buy it over newer models.
Product Brand:
EcoFlow
Editor's Rating: 4.5
Pros
2,048Wh LFP battery rated for 3,000 cycles to 80%
2,400W output (3,400W with X-Boost) and 15 outlets
80% charge in 43 minutes using AC and solar together
Expands to 6kWh with up to two extra batteries
Quiet charging from about 30 dB
Cons
50.6 lb is heavy to move
Older than the DELTA 3 series
UPS switchover (about 30 ms) is slower than some newer models
X-Boost runs high-watt devices at reduced power, not full speed
Specs
Capacity
2,048Wh, expandable to 6kWh
Battery
LiFePO4 (LFP), 3,000 cycles to 80%
AC output
2,400W (3,400W X-Boost)
Outlets
15
Solar input
Up to 1,000W
Fast charging
0–80% in 43 minutes (AC + solar)
App
EcoFlow app (Wi-Fi and Bluetooth)
Weight
50.6 lb
Verdict
The DELTA 2 Max is a proven, expandable 2kWh station that often sells for less than newer rivals. It is a good value if you want room to grow to 6kWh; if you need the fastest UPS switchover, look at the DJI Power 2000.