EcoFlow DELTA 2 vs BLUETTI AC180

1kWh class: fast charging vs value

Our Verdict
BLUETTI AC180 wins overall
Score 61 vs 60 — better value at $0.61/Wh
Spec DELTA 2 AC180
SunSee Score 60 61
Capacity 1,024 Wh 1,152 Wh
AC Output 1,500W 1,800W
Surge Output 2,250W 2,700W
Solar Input 500W 500W
Weight 12 kg 16 kg
Cycle Life 3,000 3,500
Charge Time 1.3h 1.3h
$/Wh $0.68 $0.61
Battery Type LiFePO4 LiFePO4

Choose EcoFlow DELTA 2 if:

  • +1500W handles most appliances
  • +Fast solar input
  • +Expandable to 3kWh

Choose BLUETTI AC180 if:

  • +1800W at great price
  • +Fast solar charging
  • +Compact for capacity

Not sure which size you need?

Our calculator tells you the exact capacity based on your appliances.

Size My System

Affiliate Disclosure: Links may earn a commission at no extra cost to you. Learn more. Specs from official product pages as of July 2026.