Anker SOLIX C1000 vs EcoFlow Delta 3 Plus
Specs verified 2026-07-16 Methodology
Spec scoreboard: SOLIX C1000 wins 1 of 12 · Delta 3 Plus wins 7 of 12 (green = winner per row)
| Spec | Anker SOLIX C1000 | EcoFlow Delta 3 Plus |
|---|---|---|
| MSRP | $999 | $799 |
| Capacity | 1,056 Wh | 1,024 Wh |
| Max expandable | 2.1 kWh | 5.0 kWh |
| Continuous output | 1,800 W | 1,800 W |
| Surge | 2,400 W | 3,600 W |
| 240V output | No | No |
| Cycle life | 3,000 | 4,000 |
| AC recharge (0-100%) | 58 min | 56 min |
| Max solar input | 600 W | 1,000 W |
| Weight | 28 lb | 28 lb |
| Warranty | 5 years | 5 years |
| $ per kWh | $946 | $780 |
Runtime head-to-head
Computed from rated capacity at 85% inverter efficiency — the numbers marketing pages don't show side by side.
| Scenario | SOLIX C1000 | Delta 3 Plus |
|---|---|---|
| Refrigerator (150W, 35% duty) | 17.1 hrs | 16.6 hrs |
| CPAP overnight (60W) | 15.0 hrs | 14.5 hrs |
| Sump pump in storm (800W, 20% duty) | 5.6 hrs | 5.4 hrs |
| Home essentials (~330W bundle) | 5.4 hrs | 5.3 hrs |
Strengths & trade-offs
Anker SOLIX C1000
- Often on sale under $500
- 58-minute recharge
- Compact for 1kWh class
- Only expandable with one battery
- 600W solar input is modest
EcoFlow Delta 3 Plus
- Fastest AC recharge in class (56 min)
- 10ms UPS switchover
- Expandable to 5kWh
- 1,800W ceiling limits big appliances
- No 240V
Neither might be your size
Most buyers over- or under-size by 2x. Thirty seconds in the calculator ends the guessing.
Size my actual load →Frequently asked questions
Which is better, the Anker SOLIX C1000 or the EcoFlow Delta 3 Plus?
On raw spec wins it's EcoFlow Delta 3 Plus (7 to 1) across our 12 tracked specs - but the right pick depends on your load. If you will never add batteries, buy whichever is cheaper today; if you might grow the system, the Delta 3 Plus is the only one of the two with room to.
How long will the SOLIX C1000 and Delta 3 Plus run a refrigerator?
At 150W and a 35% duty cycle: the Anker SOLIX C1000 runs about 17.1 hrs, the EcoFlow Delta 3 Plus about 16.6 hrs (85% inverter efficiency).
Is the price difference worth it?
The SOLIX C1000 costs $946/kWh of storage vs $780/kWh for the Delta 3 Plus at MSRP. Both discount frequently - check current prices before deciding, and size your actual load with our calculator first.