EcoFlow DELTA 2 vs Anker SOLIX C1000

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

Verdict

On paper these two overlap almost completely. The differences that matter take some digging, so we did the digging.

In the EcoFlow DELTA 2's corner: expandability to 3,040 Wh.

Our take: the EcoFlow DELTA 2 makes sense if you care about expandability to 3,040 Wh.

Side-by-side specifications

✓ marks the better number in each row (EcoFlow DELTA 2: 4 wins · Anker SOLIX C1000: 5 wins — but weigh the rows that matter for your use, not the count).

EcoFlow DELTA 2 Anker SOLIX C1000
Battery capacity 1,024 Wh 1,056 Wh ✓
Battery chemistry LiFePO4 LiFePO4
Cycle life (to 80%) 3,000 3,000
AC output (continuous) 1,800 W 1,800 W
AC output (surge) 2,700 W ✓ 2,400 W
240V output No No
Max solar input 500 W 600 W ✓
Solar voltage window 11-60V 11-60V
Max USB-C power 100 W 100 W
AC recharge 0–80% 50 min 43 min ✓
UPS switchover 30 ms 20 ms ✓
Expandable to 3,040 Wh ✓ to 2,112 Wh
Weight 12.2 kg ✓ 12.9 kg
Energy density 84 Wh/kg ✓ 82 Wh/kg
Launch price $999 $999
Value (launch $/Wh) $0.98 $0.95 ✓

Dig deeper

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