EcoFlow DELTA 3 Plus vs EcoFlow DELTA 3 Max
The EcoFlow DELTA 3 Max doubles the capacity of the EcoFlow DELTA 3 Plus to 2048Wh. The duel is about stored energy and output against weight and solar input.
Updated October 6, 2026

EcoFlow DELTA 3 Plus
A 1,024 Wh LFP station rated for 1,800 W with 10 ms UPS and 1,000 W solar input.
Full specs, pros and cons
EcoFlow DELTA 3 Max
A 2,048 Wh LFP station rated for 2,400 W with three USB-C ports and a 10 ms UPS.
Full specs, pros and consThe short answer
The choice depends on what you need to run and for how long. The EcoFlow DELTA 3 Max stores twice the energy and delivers 2400W continuous. The EcoFlow DELTA 3 Plus weighs 17 pounds less and takes double the listed solar input. Pick by outage length and by who has to carry it.
Choose the EcoFlow DELTA 3 Plus if
- you want something you can carry at 27.6 pounds rather than 44.8
- you want up to 1000W of solar input
- a 1024Wh battery covers your outage needs
Choose the EcoFlow DELTA 3 Max if
- you want 2048Wh for a longer outage
- you need 2400W continuous for heavier appliances
- you want three USB-C ports rather than two
Specs side by side
Prices in the makers' own US stores, checked October 6, 2026. Amazon links carry no price.
EcoFlow DELTA 3 Plus
Pros
- Six AC outlets mean fewer power strips when several devices need the same unit.
- The maker lists a 0 to 100 percent AC recharge in 56 minutes.
- Solar input is rated at 1,000 W through an MPPT controller.
Cons
- The 2,200 W X-Boost figure is a boost mode and not the 1,800 W continuous rating.
EcoFlow DELTA 3 Max
Pros
- Three USB-C ports cover a laptop and two phones without an adapter.
- The maker claims a 13 percent weight saving and lists 44.8 lb.
- An X-Boost mode is listed at 3,400 W for brief heavier loads.
Cons
- The 500 W solar figure may apply per input so check the port layout before buying panels.
Frequently asked questions
Is the DELTA 3 Max just a bigger DELTA 3 Plus?
Mostly yes on capacity and output. The EcoFlow DELTA 3 Max holds 2048Wh against 1024Wh and delivers 2400W against 1800W. Both list a 10 ms UPS. The listed solar input is where it flips. The DELTA 3 Plus states 1000W while the Max page lists 500W which may be per input.
How much heavier is the DELTA 3 Max?
The EcoFlow DELTA 3 Max is listed at 44.8 pounds. The EcoFlow DELTA 3 Plus is listed at 27.6 pounds. That is about 17 pounds more for the Max. For a unit that stays in one spot this hardly matters. For stairs or a car trunk it is worth weighing up.
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