Anker SOLIX C2000 Gen 2 vs EcoFlow DELTA 2
Technical comparison · Home backup
Two portable LFP power stations for keeping at home as backup or for running equipment away from a socket. What decides it is capacity, twice as large on the Anker, and the weight that comes with it. Values are declared by the manufacturers.
| Parameter | ||
|---|---|---|
| In brief | ||
| Nominal capacity | 2.048 kWh | 1.024 kWh |
| Continuous output | 2400 W | 1800 W |
| Peak output | 4000 W | 2700 W |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| Cost per kWh | 732.42 €/kWh | 584.96 €/kWh |
| List price | 1499.99 € | 599 € |
| Weight | 18.9 kg | 12 kg |
| Outlets | ||
| AC outlets | — | Yes (×4) |
| How long it lasts | ||
| Battery life cycles | 1825 cicli | 1825 cicli |
| The limit that runs out first | anni di garanzia | anni di garanzia |
| Rated cycles | 4000 cicli | 3000 cicli |
| Capacity at end of cycle life | — | 80 % |
| Warranty | 5 anni | 5 anni |
| The numbers | ||
| Cost of stored energy | 0.401 €/kWh | 0.321 €/kWh |
| Energy density | 108.4 Wh/kg | 85.3 Wh/kg |
| Power-to-capacity ratio | 1.17 C | 1.76 C |
| Identity | ||
| Use tier | F2 — Room-sized (1–3 kWh) | F2 — Room-sized (1–3 kWh) |
| Price | ||
| Price | ~450–1000 € | — |
| Universal specs | ||
| Voltage | — | 220 V |
| Category specs | ||
| Expandable | Yes | Yes |
| Maximum expanded capacity | 4 kWh | — |
| Fastest USB-C | 140 W | 100 W |
| Maximum charge power | 2.3 kW | 1.2 kW |
| Maximum solar input | — | 500 W |
| Backup power | UPS | EPS (brief interruption) |
| Switchover time | 10 ms | 30 ms |
| Standby consumption | 9 W | — |
| Mounting | Portable | Portable |
| Minimum temperature | — | -10 °C |
| Maximum temperature | — | 45 °C |
The differences that matter
- 2.048 kWh versus 1.024 kWh → at the same load the Anker lasts about twice as long (in theory, ignoring losses).
- 2400 W continuous versus 1800 W → a device drawing between 1800 and 2400 W only runs on the Anker.
- 10 ms switchover (UPS) versus 30 ms (EPS) → the Anker works as an uninterruptible supply; with the DELTA 2 there is a brief gap when it switches to battery.
Which one to choose
Choose Anker SOLIX C2000 Gen 2 if…
you want the battery to last longer with several devices running together, and perhaps to add modules later, up to 4 kWh. It charges from the mains at up to 2.3 kW: in theory about an hour from empty to full (capacity divided by charging power, ignoring losses). The trade-off is weight, 18.9 kg against 12, which you feel every time you move it between rooms.
Choose EcoFlow DELTA 2 if…
about 1 kWh is enough for you and you want a lighter unit to carry around the house. The trade-off is half the capacity, so at the same load it runs flat sooner, and mains charging is slower.
Where to buy
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The purchase links are the same as on the two product pages and don't influence the verdict. The product pages have the complete data.