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EcoFlow DELTA 3 Ultra vs EcoFlow DELTA 3 Ultra Plus

Two large power stations, number by number. Neither is ranked above the other. Every spec comes from each maker's manual or product page; tap a station for the source.

Quick answer

DELTA 3 Ultra and DELTA 3 Ultra Plus are the same size class: within 0 Wh of each other. DELTA 3 Ultra is the lightest at 72.1 lb. DELTA 3 Ultra Plus takes the most solar at 1,600 W, so it refills fastest. DELTA 3 Ultra is the cheapest at $1,349.

How long they run common devices

DeviceEcoFlow DELTA 3 UltraEcoFlow DELTA 3 Ultra Plus
Fridge (60 W)44 hours44 hours
CPAP (40 W)3 days3 days
Starlink (100 W)26 hours26 hours
Laptop (60 W)44 hours44 hours

On a full charge, assuming 85% of the battery is usable. Real devices vary; check the label on yours.

Every spec side by side

Spec
EcoFlow DELTA 3 Ultra
EcoFlow
EcoFlow DELTA 3 Ultra Plus
EcoFlow
Battery
Wh, size
3,072 Wh
fridge about 44 hours
3,072 Wh
fridge about 44 hours
AC output
W, continuous
3,600 W
Microwave, kettle, most kitchen gear
3,600 W
Microwave, kettle, most kitchen gear
Surge
W, a second or two
7,200 W
motor start-ups
7,200 W
motor start-ups
Solar input
W, max
800 W
full in about 5.5 hours
1,600 W
full in about 2.5 hours
Solar voltage range
V, panels must fit
11 to 60 V
2 panels in series fits
11 to 60 V
2 panels in series fits
Solar inputs
count
1 input
Solar input (XT60i)
2 inputs
Solar input 1 (XT60i), Solar input 2 (XT60i)
Weight
lb
72.1 lb
wheels or two people
74.3 lb
wheels or two people
Wh per pound
battery for the weight
43 Wh/lb
higher is denser
41 Wh/lb
higher is denser
Price
brand store
$1,349
0.44 $/Wh
$1,599
0.52 $/Wh
Price per Wh
what you pay for storage
$0.44
lower is better value
$0.52
lower is better value
Buy$1,349 · Details
Brand store, Oct 28, 2026
$1,599 · Details
Brand store, Oct 28, 2026

Which solar panels work with each

Our checker at 20°F, using each maker's voltage and current rules. Tap a verdict for the wiring and cables.

Where to buy

$1,349 at the EcoFlow store, checked Oct 28, 2026
BuyAmazon
$1,599 at the EcoFlow store, checked Oct 28, 2026
Buy

We may earn a commission if you buy through these links. It never changes a verdict.