Anker SOLIX F3800 Plus vs EcoFlow DELTA Pro 3

What is the difference?

The Anker SOLIX F3800 Plus has 6 kW of power, a 3.84 kWh battery. The EcoFlow DELTA Pro 3 has 4 kW of power, 8 kW peak, a 4.1 kWh battery.

Both use LiFePO4 batteries.

The Anker SOLIX F3800 Plus takes up to 3200 W from solar, the EcoFlow DELTA Pro 3 takes up to 2600 W from solar. The Anker SOLIX F3800 Plus charges faster from panels.

The Anker SOLIX F3800 Plus weighs 137 lb, the EcoFlow DELTA Pro 3 weighs 114 lb. The EcoFlow DELTA Pro 3 is easier to carry.

Both have a 5-year warranty.

Both have 120/240 V AC output.

Both can add extra batteries.

Specs side by side

	Anker SOLIX F3800 Plus	EcoFlow DELTA Pro 3
Capacity (Wh)	3840	4096
Continuous (W)	6000	4000
Peak (W)	—	8000
Solar input (W)	3200	2600
Chemistry	LiFePO4	LiFePO4
Cycles	—	4000
Expandable	yes	yes
Weight (lb)	137	114
Warranty (yr)	5	5
Fridge run time	72.4 h	77.2 h
CPAP run time	86.9 h	92.7 h
Wi-Fi router run time	253.4 h	270.3 h
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Specs as read from manufacturer pages on 2026-10-25 / 2026-10-25. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.

Common questions

Which has more capacity, Anker SOLIX F3800 Plus or EcoFlow DELTA Pro 3?

The EcoFlow DELTA Pro 3. More capacity: 4096 Wh vs 3840 Wh.

Which is lighter, Anker SOLIX F3800 Plus or EcoFlow DELTA Pro 3?

The EcoFlow DELTA Pro 3. Lighter: 114 lb vs 137 lb.

Which charges faster from solar, Anker SOLIX F3800 Plus or EcoFlow DELTA Pro 3?

The Anker SOLIX F3800 Plus. Faster solar charging: 3200 W input vs 2600 W input.

More comparisons

Compare other models → · All Anker SOLIX models · All EcoFlow models