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WATTMATRIX LAB BENCH // 230V 50Hz
☕
WILL POWER YOUR FULL-SIZE FRIDGE230V AC
24.0HRS
Continuous: 160W
Surge Peak: 800W

≈ 1.0 days (24h/day) · Safe motor start buffer (83.3% margin).

Ready to Run
Motor Start Margin+4000W Safe Buffer(800W Peak / 4800W Max)

How long will an EcoFlow DELTA 2 Max run a full-size fridge?

full-size fridge running (240 W max) and start-up (1,200 W max) draw fit the EcoFlow DELTA 2 Max's 2,400 W continuous / 4,800 W surge ratings.

LOW LOAD
35.4HRS

ENERGY STAR top-freezer, doors kept closed (36% duty cycle, 40 W avg)

39.58 W57.84 W net
TYPICAL SPECNOMINAL
24.0HRS

20–25 cu ft fridge at ~41% compressor duty cycle (65 W avg)

65 W85.5 W net
HIGH LOAD
15.4HRS

older or French-door unit in a warm kitchen at ~45% duty cycle with defrost (108 W avg)

108.33 W132.88 W net
TELEMETRY // PRIMARY READOUT230V AC
CALIBRATED RUNTIME
24.0HRS

≈ 1.0 days (24h/day)

NET PACK DRAW
85.5W

System standby power: 15W (17.5% of total draw)

CONTINUOUS_LOAD_UTILIZATION7% (160W / 2400W)
APPLIANCE_DRAW160W RUN / 800W PK
SOURCE_LIMIT2400W CONT / 4800W PK
SOLAR_RECHARGE (1000W)2.69H (0.67D)
PARAMETER_SANDBOX // ENGINE v1.0.0

Live Load, Duty Cycle & Usage Simulator

160 W
MIN 55WNOMINAL 160WMAX 2000W
41%
5% INTERMITTENT50% CYCLING100% CONTINUOUS
24 h/day
1H / DAY8H OVERNIGHT24H CONTINUOUS
0 W
0W (OFF)200WMAX 1000W
TEMPERATURE DERATE
CONTINUOUS
24.0HRS
OUTAGE SPAN
1.0days
AVG LOAD
65W
PACK DRAW
85.5W
Stack full-size fridge with other devices on EcoFlow DELTA 2 Max in the Load BuilderOpen Builder →
HARDWARE_INTERFACE // ELECTRICAL AUDIT

EcoFlow DELTA 2 Max × Full-Size Refrigerator Electrical Interface

1. AC RECEPTACLE & PLUG MATCH
BS 1363 (230V 13A Irish Standard Plug) → DIRECT FIT

Provides 6× CEE 7/3 (230V) (120V 60Hz).

2. WAVEFORM & THD SENSITIVITY
PURE SINE WAVE // STANDARD LOAD

Pure sine wave inverter output. Safe for all standard household appliances.

3. STARTING SURGE (MOTOR INRUSH) MARGIN
800W TYP (1200W MAX) VS 4800W LIMIT

Inductive motor/compressor load with 5× starting surge (motor inrush) (83.3% worst-case surge margin).

4. UPS SWITCHOVER & EXPANSION
UPS: UPS (20MS) · EXPAND: UP TO 6144WH

Wall AC fast charge at up to 1800W (66m to 80%, 80m to 100%).

PHYSICS // TRANSIENT DRAW ENVELOPE

Dynamic Inrush Surge Curve (Locked Rotor Amps vs Steady State)

SAFE INRUSH HEADROOM (+4000W BUFFER)
0ms250ms500ms750ms1000ms0W2s Surge Limit (4800W)4800WContinuous Rating (2400W)2400WInrush (LRA): 800WRunning (FLA): 160W

Safe envelope verified: Starting surge (800W) remains comfortably below the 4800W surge trip line, with steady-state operation settling into the safe continuous zone at 160W.

LAB_RECORDS // EMPIRICAL OBSERVATIONS

Field Engineering Quirks & Operational Failure Modes

Hardware Bench Constraints (EcoFlow DELTA 2 Max)
  • ›X-Boost engages automatically above 2,400 W and runs resistive loads up to 3,400 W at reduced voltage. EcoFlow says it's meant for heating loads, not voltage-sensitive devices, and it's unavailable during wall-charging bypass.
  • ›UPS: switches to battery within 20 ms per the manual and product page (EcoFlow's FAQ says 30 ms). EcoFlow says it is not 0 ms and not suitable for servers or workstations.
  • ›The AC output switches off after 12 hours with no load; set the app's AC timeout to 'Never' for intermittent loads.
  • ›Two 500 W solar inputs give 1,000 W combined; EcoFlow's 43-minute 0–80% figure needs 1,800 W wall charging plus solar at the same time.
  • ›The car socket and both DC5521 ports share one 126 W budget.
  • ›All six AC outlets are 20 A T-slot NEMA 5-20R.
Cycle Physics & Dwell Behavior (Full-Size Refrigerator)
  • ›Because the compressor cycles off for long stretches, power stations with an auto-off eco timeout must have AC timeout disabled so the fridge doesn't lose power between cycles.
  • ›Automatic defrost heaters briefly draw 350–600 W once or twice a day, which is included in the daily kWh total alongside the 35–50% compressor duty cycle.
  • ›Keeping the refrigerator and freezer doors closed during an outage reduces compressor duty cycle toward the ~950 Wh/day low-draw scenario.
KNOWLEDGE_BASE // VERIFIED QA

Frequently Asked Questions: EcoFlow DELTA 2 Max & Full-Size Refrigerator

How long will an EcoFlow DELTA 2 Max run a full-size fridge?

About 24 hours on AC power, with the full-size fridge averaging 65 W (20–25 cu ft fridge at ~41% compressor duty cycle (65 W avg)). The EcoFlow DELTA 2 Max then draws about 86 W from its battery, including 15 W for the inverter itself. Best case: about 35 hours (ENERGY STAR top-freezer, doors kept closed (36% duty cycle, 40 W avg)). Worst case: about 15.4 hours (older or French-door unit in a warm kitchen at ~45% duty cycle with defrost (108 W avg)).

Can an EcoFlow DELTA 2 Max start a full-size fridge?

Yes. The full-size fridge's start-up peak of about 800 W (up to 1,200 W) fits within the EcoFlow DELTA 2 Max's 4,800 W surge rating, with 75% headroom even in the worst case.

Why isn't the runtime just 2,048 Wh ÷ 65 W?

That simple division gives 32 hours, but the EcoFlow DELTA 2 Max's inverter draws about 15 W whenever its AC outlets are on. At this light load that's 18% of everything the battery supplies, and inverter conversion losses take a further share. EcoFlow doesn't publish an idle figure and we haven't found an independent measurement, so this uses our 15 W estimate.

How long does the EcoFlow DELTA 2 Max take to recharge?

On wall power: about 66 minutes to 80% and 80 minutes to full (EcoFlow figures). With its maximum 1,000 W of solar input connected, expect about 800 W in full sun, so a full recharge takes roughly 2.7 hours of full sun, so it can refill in a single day with 4 peak sun hours.

AUDIT_LOG // DATA PROVENANCE & CITATIONS
NODE: ecoflow-delta-2-max/full-size-refrigeratorSYSTEM HASH: 0x60170B85738EVERIFIED TIMESTAMP: 2026-10-21T00:00:00Z
SOURCE_CITATIONS // ECOFLOW DELTA 2 MAX (5)
LOAD_CITATIONS // FULL-SIZE REFRIGERATOR (2)