Normalized comparison

DELTA 3 Max vs DELTA 2 Max

Green cells mark a meaningful category leader. Ties are shown as shared leaders.

Best for home backupEcoFlow DELTA 2 Max

Capacity, output, expansion, UPS, charging and longevity. Rule score: 86/100.

Best for portabilityEcoFlow DELTA 3 Max

Weight, energy density, charge speed, size and output. Rule score: 45/100.

Best for solarEcoFlow DELTA 2 Max

Solar input, capacity, charging, longevity and weight. Rule score: 77/100.

SpecificationEcoFlow DELTA 3 MaxEcoFlow DELTA 2 Max
Capacity2,048 Wh2,048 Wh
Estimated usable1,741 Wh1,740 Wh
Continuous output2,400 W2,400 W
Surge output3,400 W4,800 W
AC outlets46
Battery chemistryLiFePO₄LiFePO₄
Cycle life4,000 cycles3,000 cycles
AC full charge1.5 hr1.4 hr
Solar input500 W1,000 W
Weight44.8 lb50 lb
UPS10 ms30 ms
ExpandableNoYes · 6,144 Wh max
Warranty5 years5 years
MSRP reference—$1,899
Where to buy
Check price at manufacturer · EcoFlow USExact product listing at EcoFlow US — availability may change
Check Price on Amazon.comExact product listing at Amazon US — availability may change
Check price at manufacturer · EcoFlow USExact product listing at EcoFlow US — availability may change
Check Price on Amazon.comExact product listing at Amazon US — availability may change

Outbound links may earn a commission. Specifications last checked on the dates shown in each product record.