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EcoFlow DELTA 3 Max vs EcoFlow DELTA 3 Plus

EcoFlow DELTA 3 Max — front view

EcoFlow DELTA 3 Max

65BatteryRank score · Balanced
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Decision readout
Better station

EcoFlow DELTA 3 Plus takes recharge speed, EcoFlow DELTA 3 Max takes weight and noise — the decision is which of those you need, not overall quality. If neither is your constraint, the composite tiebreak goes to EcoFlow DELTA 3 Plus by 7 points — a hair, not a mandate.

  • trustEcoFlow DELTA 3 Plus+10
  • chargingEcoFlow DELTA 3 Plus+24
    56 min vs 68 min to full · 1,000 W vs 500 W solar input
  • livabilityEcoFlow DELTA 3 Max+14
EcoFlow DELTA 3 Plus — front view

EcoFlow DELTA 3 Plus

72BatteryRank score · Excellent
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What changes the decision
01 · Score evidence

Score breakdown

65
EcoFlow DELTA 3 Max
Overall
72
EcoFlow DELTA 3 Plus
66
POWER
EcoFlow DELTA 3 Plus +4
70

Battery-side usable capacity and how much you can run at once.

67
TRUST
EcoFlow DELTA 3 Plus +10
77

Owner reputation, safety record, warranty, and build durability.

55
CHARGING
EcoFlow DELTA 3 Plus +24
79

Wall and solar recharge speed.

71
LIVABILITY
EcoFlow DELTA 3 Max +14
57

Lightweight, portable, and quiet enough to live with.

Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.

02 · Usable energy

Capacity truth

The watt-hours on the box aren't what reaches your devices. Same scale, both units.

EcoFlow DELTA 3 Max
Rated (on the box)
2,048 Wh. Show sourceclaimed sourceus.ecoflow.com2026-07-04

The marketing number — total cell capacity.

AC delivered (est.)
1,741 Wh. Show sourceestimated sourceestimate = battery-side usable capacity × 85% inverter efficiency

What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.

EcoFlow DELTA 3 Plus
Rated (on the box)
1,024 Wh. Show sourceclaimed sourceus.ecoflow.com2026-07-04

The marketing number — total cell capacity.

AC delivered (est.)
870 Wh. Show sourceestimated sourceestimate = battery-side usable capacity × 85% inverter efficiency

What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.

03 · Same assumptions

Same-device runtime

Estimated runtime for the same sourced devices on EcoFlow DELTA 3 Max and EcoFlow DELTA 3 Plus
DeviceEcoFlow DELTA 3 MaxEcoFlow DELTA 3 PlusAssumption
CPAP (humidifier off)about 24.2 nightsabout 12.1 nights9 W ·
CPAP (heated humidifier on)about 3.9 nightsabout 1.9 nights56 W ·
Refrigerator (full-size)about 28 hoursabout 14 hours180 W × 35% duty cycle ·
Wi-Fi router + modemabout 97 hoursabout 48 hours18 W ·
Laptop (65W charger)about 54 hoursabout 27 hours65 W × 50% duty cycle ·
Phone (one full charge)about 87 full chargesabout 43 full charges20 W ·

One device at a time; estimates use each station's usable AC energy. Build your own load →

04 · Sourced hardware

Key specs, side by side

Key sourced specifications for EcoFlow DELTA 3 Max and EcoFlow DELTA 3 Plus
SpecEcoFlow DELTA 3 MaxEcoFlow DELTA 3 Plus
AC-delivered capacity
1,741 Whest.. Show sourceestimated sourceus.ecoflow.com2026-07-04
870 Whest.. Show sourceestimated sourceus.ecoflow.com2026-07-04
Continuous power output
2,400 W. Show sourceclaimed sourceus.ecoflow.com
1,800 W. Show sourceclaimed sourceus.ecoflow.com
Surge power output
4,800 W. Show sourceclaimed sourceus.ecoflow.com
3,600 W. Show sourceclaimed sourceus.ecoflow.com
Max solar input
500 W. Show sourceclaimed sourceus.ecoflow.com
1,000 W. Show sourceclaimed sourceus.ecoflow.com
AC charge time (0–100%)
68 min. Show sourceclaimed sourceus.ecoflow.com
56 min. Show sourceclaimed sourceus.ecoflow.com
Weight
20.3 kg. Show sourceclaimed sourceus.ecoflow.com
12.5 kg. Show sourceclaimed sourceus.ecoflow.com
Rated cycle life
4,000 cycles. Show sourceclaimed sourceus.ecoflow.com
4,000 cycles. Show sourceclaimed sourceus.ecoflow.com
Only show differences
  • AC-delivered capacity1,741 Wh870 Wh
  • Continuous power output2,400 W1,800 W
  • Surge power output4,800 W3,600 W
  • Max solar input500 W1,000 W
  • AC charge time (0–100%)68 min56 min
  • Weight20.3 kg12.5 kg

Manufacturer figures unless marked verified or est. Tap or focus a figure to view its source. The better reading in each row is highlighted — lower wins for weight and recharge time.

Where these rank

Quick answers

Is the EcoFlow DELTA 3 Max better than the EcoFlow DELTA 3 Plus?
EcoFlow DELTA 3 Plus takes recharge speed, EcoFlow DELTA 3 Max takes weight and noise — the decision is which of those you need, not overall quality. If neither is your constraint, the composite tiebreak goes to EcoFlow DELTA 3 Plus by 7 points — a hair, not a mandate.
Which has more usable capacity, the EcoFlow DELTA 3 Max or EcoFlow DELTA 3 Plus?
The EcoFlow DELTA 3 Max, by 871 Wh — 1,741 Wh versus 870 Wh, a 100% advantage. At a 60 W load that is roughly 14.5 extra hours before the battery is empty. Both figures are estimated AC-delivered energy, not the nameplate battery rating — the watt-hours that actually reach your devices, which is always less than the number on the box.
Which has more AC output, the EcoFlow DELTA 3 Max or EcoFlow DELTA 3 Plus?
The EcoFlow DELTA 3 Max: 2,400 W versus 1,800 W continuous. That gap matters only if a load sits between the two numbers — below 1,800 W both run it, above 2,400 W neither does. Surge headroom follows the same order: 4,800 W against 3,600 W, and surge is what decides whether a compressor or pump actually starts.
How does runtime compare between the EcoFlow DELTA 3 Max and EcoFlow DELTA 3 Plus?
On the same sourced load — a refrigerator (full-size) — the EcoFlow DELTA 3 Max runs longer: 27.6 hours against 13.8. These are planning estimates from each model's AC-delivered capacity, not stopwatch tests; real duty cycle and temperature move them.
Which is lighter, the EcoFlow DELTA 3 Max or EcoFlow DELTA 3 Plus?
The EcoFlow DELTA 3 Plus, by 7.8 kg (12.5 kg versus 20.3 kg). Both weights are manufacturer figures for the bare unit; cables and a solar panel add to whatever you actually carry.
Which recharges faster from the wall, the EcoFlow DELTA 3 Max or EcoFlow DELTA 3 Plus?
The EcoFlow DELTA 3 Plus: 56 minutes from empty to full against 68 minutes, a difference of 12 minutes. This matters most between outages and during a short grid window — if you only ever recharge overnight, it does not matter at all.
Which model should I buy for my use case?
On the sub-scores that describe each use case: the EcoFlow DELTA 3 Plus for home backup; the EcoFlow DELTA 3 Max for cpap & bedroom, camping & rv. They split, so the honest answer depends on which of those you are actually buying for.
Are the EcoFlow DELTA 3 Max and EcoFlow DELTA 3 Plus from the same lineup?
Yes — same manufacturer, so warranty terms, app, accessory ecosystem, and expansion batteries are usually shared. That narrows the decision to the hardware differences above rather than to which company you want to buy into.

Keep deciding

Scores computed from sourced data · prices timestamped · tap or focus a figure to view its source

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