Anker SOLIX S2000
#11 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$699.99
The Anker SOLIX S2000 is the better portable power station overall, rated 4.1 to 3.9. The Anker SOLIX S2000 leads on value, tested capacity and battery life. The BLUETTI FridgePower wins on AC output and solar input. The Anker SOLIX S2000 costs $199.01 less ($699.99 vs $899).
BLUETTI FridgePower
#21 in LargeFull review
For homeowners who want a set-and-forget battery backup that hides beside or behind the refrigerator. It is a poor fit for camping or job sites, where its weight, shape and two outlets work against it.
Amazon $1,499 BLUETTI $899$899
Prices were last checked October 22, 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 value ($0.35 per rated Wh vs $0.45 per rated Wh), tested capacity (91% of rated capacity delivered (1 test) vs 86% of rated capacity delivered (1 test)) and battery life (LiFePO4, 6,000 cycles, 5-year warranty vs LiFePO4, 4,000 cycles).
- Choose the BLUETTI FridgePower for AC output (1,800 W continuous AC vs 1,500 W continuous AC) and solar input (1,000 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 | BLUETTI FridgePower |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Value 25% | 93 $0.35 per rated Wh | 78 $0.45 per rated Wh |
| Tested capacity 15% | 95 91% of rated capacity delivered (1 test) | 71 86% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 6,000 cycles, 5-year warranty | 85 LiFePO4, 4,000 cycles |
| 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 | 71 0-100% on AC in 1 h 45 min |
| Portability 10% | 100 124 Wh per kg (35.7 lb (16.2 kg)) | 100 102 Wh per kg (43.4 lb (19.7 kg)) |
| Solar input 5% | 6 400 W max solar input | 41 1,000 W max solar input |
| Features 5% | 75 UPS (10 ms), 100 W USB-C, app | 80 UPS (10 ms), expandable, 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. |
BLUETTI FridgePower
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| APH Networks | 1,727 Wh | 85.7% | Constant 1,016 W electric heater load from full to shutoff (1 h 42 min). Measured AC charge 0-80% in 1 h 46 min in Standard mode. |
Specifications
| Anker SOLIX S2000 | BLUETTI FridgePower | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,010 Wh | 2,016 Wh |
| Tested usable capacity | 1,829 Wh (91%) | 1,727 Wh (86%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 6,000 to 80% (10,000 to 60%) | 4,000 BLUETTI rates it for over 4,000 cycles; APH Networks reports the claim as 80% capacity after 4,000 cycles |
| Expandable | No | Yes, up to 8,064 Wh |
| Output | ||
| AC output | 1,500 W (3,000 W surge) | 1,800 W (3,600 W surge) |
| Boost mode (resistive loads) | - | 3,000 W |
| AC outlets | 5 total | 2 |
| 120V 15A outlets (NEMA 5-15R) | 5 | - |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 100 W each) | 0 |
| USB-A ports | 1 | 0 |
| 12 V car outlet | No | No |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,600 W | 1,440 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 45 min (0-80% in 60 min, full in 105 min, as reported by APH Networks; BLUETTI's own pages read did not state a time. APH measured 0-80% in 1 h 46 min in Standard mode.) |
| Max solar input | 400 W | 1,000 W |
| Solar input voltage | 11-60V | 12-60V, 20 A max (XT60) |
| Build | ||
| Weight | 35.7 lb (16.2 kg) | 43.4 lb (19.7 kg) |
| Dimensions | 8.2 x 11.1 x 12.7 in | 22.83 x 13.78 x 3.07 in |
| App | Anker app | BLUETTI app (Wi-Fi + Bluetooth; Alexa and Google Home) |
| Warranty | 5 years | - |
| Released | 2026-05 | 2026-06 |