Bluetti AC180 vs EcoFlow DELTA 2

What is the difference?

The Bluetti AC180 has 1.8 kW of power, 2.7 kW peak, a 1.15 kWh battery. The EcoFlow DELTA 2 has 1.8 kW of power, 2.7 kW peak, a 1.02 kWh battery.

Both use LiFePO4 batteries.

The Bluetti AC180 is rated for 3500 cycles, the EcoFlow DELTA 2 is rated for 3000 cycles.

Both take up to 500 W from solar.

The Bluetti AC180 weighs 37 lb, the EcoFlow DELTA 2 weighs 26 lb. The EcoFlow DELTA 2 is easier to carry.

The Bluetti AC180 charges from a wall outlet to 100 % in 1.8 h, the EcoFlow DELTA 2 charges from a wall outlet to 100 % in 72 min. The EcoFlow DELTA 2 is ready again sooner.

Both have 120 V AC output.

The EcoFlow DELTA 2 can add extra batteries.

Specs side by side

	Bluetti AC180	EcoFlow DELTA 2
Capacity (Wh)	1152	1024
Continuous (W)	1800	1800
Peak (W)	2700	2700
Solar input (W)	500	500
Chemistry	LiFePO4	LiFePO4
Cycles	3500	3000
Expandable	—	yes
Weight (lb)	37	26
Warranty (yr)	5	—
Fridge run time	21.7 h	19.3 h
CPAP run time	26.1 h	23.2 h
Wi-Fi router run time	76 h	67.6 h
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-27. 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, Bluetti AC180 or EcoFlow DELTA 2?

The Bluetti AC180. More capacity: 1152 Wh vs 1024 Wh.

Which is lighter, Bluetti AC180 or EcoFlow DELTA 2?

The EcoFlow DELTA 2. Lighter: 26 lb vs 37 lb.

More comparisons

Compare other models → · All Bluetti models · All EcoFlow models