EcoFlow DELTA 2 vs Bluetti AC180

Mid-size (500–1,500Wh) · spec-by-spec, winner marked per row

Verdict

The EcoFlow DELTA 2 and the Bluetti AC180 are after the same buyer, so this one is decided in the details.

What the EcoFlow DELTA 2 brings: a 3.8 kg weight saving and expandability to 3,040 Wh.

Bottom line: the EcoFlow DELTA 2 makes sense if you care about a 3.8 kg weight saving and expandability to 3,040 Wh.

Side-by-side specifications

✓ marks the better number in each row (EcoFlow DELTA 2: 3 wins · Bluetti AC180: 5 wins — but weigh the rows that matter for your use, not the count).

EcoFlow DELTA 2 Bluetti AC180
Battery capacity 1,024 Wh 1,152 Wh ✓
Battery chemistry LiFePO4 LiFePO4
Cycle life (to 80%) 3,000 3,500 ✓
AC output (continuous) 1,800 W 1,800 W
AC output (surge) 2,700 W 2,700 W
240V output No No
Max solar input 500 W 500 W
Solar voltage window 11-60V 12-60V
Max USB-C power 100 W 100 W
AC recharge 0–80% 50 min 45 min ✓
UPS switchover 30 ms 20 ms ✓
Expandable to 3,040 Wh ✓ No
Weight 12.2 kg ✓ 16 kg
Energy density 84 Wh/kg ✓ 72 Wh/kg
Launch price $999 $999
Value (launch $/Wh) $0.98 $0.87 ✓

Dig deeper

Specifications from manufacturer documentation (EcoFlow, Bluetti). Launch prices shown; street prices change often — check current pricing before deciding on value.