Source-linked model

EcoFlow DELTA 3 Classic Runtime Calculator

Name: EcoFlow DELTA 3 Classic
Brand: EcoFlow

Use this source-linked record to estimate runtime from tracked capacity, output, charging, and weight fields. Unknown specs stay unknown until an official or manufacturer-grade source confirms them.

EcoFlow DELTA 3 Classic portable power station

Capacity1024 Wh

AC output1,800 W

Surge3,600 W

ChemistryLFP

Confidenceverified

Checked2026-06-24

Battery capacity	1024 Wh
Usable capacity	unknown
Battery chemistry	LFP
AC output	1,800 W
Surge output	3,600 W
DC output	126 W
USB-C output	100 W
Solar input	500 W
Weight	12.5 kg
Confidence	verified
Last verified	2026-06-24

DC output stores the 12.6V/10A car power output rating from EcoFlow's current product spec table.

Runtime Starting Points

These are formula estimates using the tracked capacity, a 10% reserve, and each scenario's default wattage and duty cycle. They are planning starters, not measured runtimes.

Scenario	Default load	Estimate	Scenario confidence
Full-size refrigerator	500 W at 33%	4h 45m	estimated
CPAP without heated humidifier	40 W at 100%	19h 35m	estimated
Starlink Mini	32 W at 100%	1d 1h	estimated
Wi-Fi router	12 W at 100%	2d 19h	estimated
Laptop	60 W at 100%	13h 31m	estimated

Open calculator with this station

Good fit when

Capacity is in a mid-size planning class that can cover many overnight or essential-load scenarios when reserve and efficiency are included.
Tracked AC output is high enough for many household plug-in loads, but surge still needs a separate check.
USB-C output is tracked at laptop-class power, useful for direct DC charging when the device supports it.
Tracked solar input is 500 W before panel, weather, angle, and controller losses.

Watch out for

Surge output is tracked, but device startup behavior should still be checked against the actual load.
Still unknown in the source-backed record: usable capacity.

Related EcoFlow Records

Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.

Sources

EcoFlow DELTA 3 Classic product page (official; checked 2026-06-24)
EcoFlow DELTA 3 Classic user manual (official; checked 2026-06-24)