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EcoFlow DELTA 3 Max Plus vs Ampace Andes 1500

Side-by-side on the specs that decide it — surge, capacity, runtime and price.

Both models' specs verified against manufacturer listings · Last updated

The short answer

Ampace Andes 1500 costs $300 less. Whether that gap is worth closing depends on what you need to run.

EcoFlow DELTA 3 Max Plus

Adds 600W of continuous output and doubles surge headroom over the standard Max, for $200. Worth it only if you're running heavy loads.

Best for: Workshops and job sites where tool startup surge is the constraint.

Where it falls short:

  • $200 premium is wasted if your loads are under 2400W
  • 57 lb
Ampace Andes 1500

Backed by an Amperex/CATL cell pedigree, the Andes 1500 stands out on charge speed — 0-80% in well under an hour — and a light 36.8 lb for 1.5kWh.

Best for: Buyers who prize fast charging and low weight at 1.5kWh.

Where it falls short:

  • Newer brand with a thinner track record
  • Not expandable
SpecEcoFlow DELTA 3 Max PlusAmpace Andes 1500
Price $1299 $999
Capacity 2048 Wh 1462 Wh
Continuous output 3000 W 2000 W
Surge output 6000 W 3600 W
Battery LiFePO4 LiFePO4
Rated cycles 4,000 3,000
Weight (lighter wins) 57.3 lb 36.8 lb
Max solar 1000 W 1000 W
Recharge time (faster wins) 1h 22m 55 min

Runtime head-to-head

ApplianceEcoFlow DELTA 3 Max PlusAmpace Andes 1500
Refrigerator29.0 hrs20.7 hrs
Mini fridge55.3 hrs39.5 hrs
Chest freezer21.8 hrs15.5 hrs
CPAP machine43.5 hrs31.1 hrs
Sump pump2.2 hrs1.6 hrs
EcoFlow DELTA 3 Max Plus
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Ampace Andes 1500
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