A common mid-capacity matchup — both are ~1 kWh LiFePO4 units at similar street prices. The two bets are: EcoFlow's expansion ecosystem vs Anker's outlet count, USB-C port count and best-in-tier sale price.
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Choose EcoFlow Delta 3 Plus if
+You prioritize expandable capacity (Delta 3 Plus supports an expansion battery)
+You want the EcoFlow app + transfer switch ecosystem
+You expect to upgrade by adding a battery pack later
Choose Anker SOLIX C1000 if
+You want 5 AC outlets vs 4 on the EcoFlow
+You want 2 USB-C ports vs only 1 on the Delta 3 Plus
Both are excellent mid-capacity units. The Anker SOLIX C1000 wins on value — best-in-tier $/Wh at its current sale price, with the highest AC outlet count in this comparison. The EcoFlow Delta 3 Plus wins on expandability and a deeper app + EPS ecosystem. At list price, Anker overtakes; with the Delta 3 Plus on sale below $899, the picks flip.