How Many Watts!
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Units › EcoFlow DELTA Pro 3

EcoFlow DELTA Pro 3 specs

A very large portable power station: 4,096 Wh of battery, 4,000 W of output and 51.5 kg.

Illustration of a very large power station, not a photo of this model.
Battery capacity (Wh)4,096 WhHow long it lasts. About 52 hours on a 60 W laptop.
AC output (W out)4,000 WThe most it can power at once. Keep your total below 4,000 W.
Solar inputUp to 2,600 WHow fast solar panels can refill it. Higher is quicker.
Weight51.5 kgWhat you will carry.
Wh per kg80Battery per kilo. Higher is lighter for the same capacity.

Remember: the battery (Wh) sets how long it runs, and W out sets what it can run at the same time. You need enough of both. Check your own list in the power sizer.

Checked against the maker’s own page on 11 Oct 2026: capacity, output, solar input and weight. Other figures come from retailer pages and spec databases. Check the maker’s current specs before buying.

Where to buy

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What it could run

Estimates for one device at a time, using about 77% of the rated capacity (inverter and usable-battery losses). The method is explained here. Real runtimes vary with the device.

DeviceTypical drawRuns for
Phone charging10 Wabout 313 hours
LED lighting10 Wabout 313 hours
Laptop60 Wabout 52.2 hours
Fridge or cool box45 Wabout 69.6 hours
TV80 Wabout 39.2 hours
Projector150 Wabout 20.9 hours
Power tools600 Wabout 5.2 hours
Coffee machine1000 Wabout 3.1 hours
Kettle2000 Wabout 47 boils (2 minutes each)

At 4,000 W output this unit can run a typical 2,000 W kettle.

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