Anker SOLIX F3800 vs EcoFlow DELTA Pro

What is the difference?

The Anker SOLIX F3800 has 6 kW of power, a 3.84 kWh battery. The EcoFlow DELTA Pro has 3.6 kW of power, 7.2 kW peak, a 3.6 kWh battery.

Both use LiFePO4 batteries.

The Anker SOLIX F3800 is rated for 3000 cycles, the EcoFlow DELTA Pro is rated for 3500 cycles.

The Anker SOLIX F3800 takes up to 3200 W from solar, the EcoFlow DELTA Pro takes up to 1600 W from solar. The Anker SOLIX F3800 charges faster from panels.

The Anker SOLIX F3800 weighs 137 lb, the EcoFlow DELTA Pro weighs 99 lb. The EcoFlow DELTA Pro is easier to carry.

Both can add extra batteries.

Specs side by side

	Anker SOLIX F3800	EcoFlow DELTA Pro
Capacity (Wh)	3840	3600
Continuous (W)	6000	3600
Peak (W)	—	7200
Solar input (W)	3200	1600
Chemistry	LFP	LiFePO4
Cycles	3000	3500
Expandable	yes	yes
Weight (lb)	137	99
Warranty (yr)	5	—
Fridge run time	72.4 h	67.9 h
CPAP run time	86.9 h	81.5 h
Wi-Fi router run time	253.4 h	237.6 h
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Specs as read from manufacturer pages on 2026-10-27 / 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 or EcoFlow DELTA Pro?

The Anker SOLIX F3800. More capacity: 3840 Wh vs 3600 Wh.

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

The EcoFlow DELTA Pro. Lighter: 99 lb vs 137 lb.

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

The Anker SOLIX F3800. Faster solar charging: 3200 W input vs 1600 W input.

More comparisons

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