The Growatt INFINITY 2000 PRO and the Anker SOLIX C2000 Gen 2 are evenly matched, rated 4.2 and 4.2. The Growatt INFINITY 2000 PRO leads on value, battery life and solar input. The Anker SOLIX C2000 Gen 2 wins on portability. The Growatt INFINITY 2000 PRO costs $251.98 less ($648 vs $899.98).
A low-cost 2 kWh LiFePO4 station for RV owners and home backup buyers who want a TT-30 outlet and room to expand. Buy it for the price per watt-hour rather than portability.
Amazon $648 Growatt $799For buyers who want a light, fast-charging 2 kWh unit with strong USB-C and an RV outlet.
Amazon $899.98 Anker $999.99Prices 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.
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 | Growatt INFINITY 2000 PRO | Anker SOLIX C2000 Gen 2 |
|---|---|---|
| Overall rating | 4.2/5 | 4.2/5 |
| Value 25% | 97 $0.32 per rated Wh | 79 $0.44 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 84 88% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 85 LiFePO4, 4,000 cycles |
| AC output 15% | 54 2,400 W continuous AC | 54 2,400 W continuous AC |
| Charging speed 10% | 76 0-100% on AC in 1 h 36 min | 80 0-100% on AC in 1 h 28 min |
| Portability 10% | 80 89 Wh per kg (51 lb (23 kg)) | 100 108 Wh per kg (41.7 lb (18.9 kg)) |
| Solar input 5% | 51 1,200 W max solar input | 28 800 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 100 W USB-C, app | 80 UPS (10 ms), expandable, 140 W USB-C |
No independent test published yet.
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 1,812 Wh | 88.5% | 480W load logged with HOBOware; round-trip efficiency 74.02%; recharge 1 h 28 min; ran a test fridge about 27.4 h |
| Growatt INFINITY 2000 PRO | Anker SOLIX C2000 Gen 2 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Tested usable capacity | - | 1,812 Wh (88%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 4,000 to 80% |
| Expandable | Yes, up to 6,144 Wh | Yes, up to 4,000 Wh |
| Output | ||
| AC output | 2,400 W (4,800 W surge) | 2,400 W (4,000 W surge) |
| Boost mode (resistive loads) | 3,400 W | - |
| AC outlets | 5 total | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 5 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| USB-C ports | 2 (up to 100 W each) | 3 (up to 140 W each) |
| USB-A ports | 4 | 1 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | - |
| UPS / pass-through | Yes (20 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Full AC charge time | 1 h 36 min (Spec table: 1.6 h to 100%; the feature list says 2 h (manufacturer)) | 1 h 28 min (100% in 88 min on AC; 58 min with AC + solar at 2600W (manufacturer)) |
| Max solar input | 1,200 W | 800 W |
| Solar input voltage | 12-60V | 11-60V |
| Car charging | - | 800 W |
| Build | ||
| Weight | 51 lb (23 kg) | 41.7 lb (18.9 kg) |
| Dimensions | 17.99 x 9.72 x 12.20 in | 18.1 x 9.8 x 10.1 in |
| App | MyGro app (Wi-Fi and Bluetooth) | - |
| Warranty | 5 years | - |
