Anker SOLIX S2000
#10 in LargeFull review
For home backup of a fridge, router and small appliances where a compact, long-lived battery matters more than high output or solar charging speed.
Amazon $699.99 Anker SOLIX $699.99$699.99
The Anker SOLIX S2000 is the better portable power station overall, rated 4.1 to 3.5. The Anker SOLIX S2000 leads on tested capacity, portability and battery life. The Anker SOLIX F1500 wins on AC output and solar input. The Anker SOLIX F1500 costs $100 less ($599.99 vs $699.99).
Anker SOLIX F1500
#25 in LargeFull review
For campers and RV owners who want a lot of LiFePO4 capacity for the money and can live with slower charging and extra weight.
Amazon $599.99 Anker SOLIX $599.99$599.99
Prices were last checked October 20, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Anker SOLIX S2000 for tested capacity (91% of rated capacity delivered (1 test) vs 73% of rated capacity delivered (1 test)), portability (124 Wh per kg (35.7 lb (16.2 kg)) vs 78 Wh per kg (43.7 lb (19.8 kg))) and battery life (LiFePO4, 6,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 5-year warranty).
- Choose the Anker SOLIX F1500 for AC output (1,800 W continuous AC vs 1,500 W continuous AC) and solar input (600 W max solar input vs 400 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Anker SOLIX S2000 | Anker SOLIX F1500 |
|---|---|---|
| Overall rating | 4.1/5 | 3.5/5 |
| Value 25% | 93 $0.35 per rated Wh | 86 $0.39 per rated Wh |
| Tested capacity 15% | 95 91% of rated capacity delivered (1 test) | 14 73% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 6,000 cycles, 5-year warranty | 91 LiFePO4, 3,000 cycles, 5-year warranty |
| AC output 15% | 0 1,500 W continuous AC | 21 1,800 W continuous AC |
| Charging speed 10% | 70 0-100% on AC in 1 h 47 min | 68 0-100% on AC in 1 h 50 min |
| Portability 10% | 100 124 Wh per kg (35.7 lb (16.2 kg)) | 59 78 Wh per kg (43.7 lb (19.8 kg)) |
| Solar input 5% | 6 400 W max solar input | 28 600 W max solar input |
| Features 5% | 75 UPS (10 ms), 100 W USB-C, app | 75 UPS (20 ms), 100 W USB-C, app |
Independent capacity tests
Anker SOLIX S2000
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 91% | Efficiency test; load not specified in the review. Measured AC recharge 1 h 47 min. |
Anker SOLIX F1500
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 73% | 1,585W load ran 42 minutes against a theoretical 58; high load lowers efficiency. Measured AC recharge about 1 h 50 min. |
Specifications
| Anker SOLIX S2000 | Anker SOLIX F1500 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,010 Wh | 1,536 Wh |
| Tested usable capacity | 1,829 Wh (91%) | 1,121 Wh (73%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 6,000 to 80% (10,000 to 60%) | 3,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 1,500 W (3,000 W surge) | 1,800 W (2,400 W surge) |
| AC outlets | 5 total | 6 total |
| 120V 15A outlets (NEMA 5-15R) | 5 | 3 |
| 120V 2-prong outlets (NEMA 1-15R) | - | 3 |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 1 | 4 |
| 12 V car outlet | No | Yes |
| UPS / pass-through | Yes (10 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,600 W | 1,000 W |
| Full AC charge time | 1 h 47 min (measured by The Solar Lab; Anker states 2.3 h at the default 1,150W, UltraFast (1,600W) is enabled in the app) | 1 h 50 min (measured by The Solar Lab at 1,000W; Anker does not publish a full AC charge time) |
| Max solar input | 400 W | 600 W |
| Solar input voltage | 11-60V | 11-60V |
| Car charging | - | 120 W |
| Build | ||
| Weight | 35.7 lb (16.2 kg) | 43.7 lb (19.8 kg) |
| Dimensions | 8.2 x 11.1 x 12.7 in | 18.2 x 11.3 x 9.3 in |
| App | Anker app | Anker app |
| Warranty | 5 years | 5 years |
| Released | 2026-05 | - |