Our Verdict
Anker 521 Wins
It offers a slightly higher 256Wh capacity compared to GRECELL's 230Wh, both having LiFePO4 chemistry and 300W AC output. Choose GRECELL for its rapid 1.5hrs charging feature.
Spec Comparison
17 specs compared
| Specification |  |  |
|---|---|---|
| Price | $150 | $170 |
| Rating | 4.4(3.0k) | 4.6(420) |
| Capacity Wh | 256W | — |
| Chemistry | LiFePO4 | — |
| AC Output Watts | 300W | — |
| Dc Ports | 1 | — |
| AC Outlets | 2 | — |
| Weight | 8.16 lbs | 24 lbs |
| USB A Ports | 2 | — |
| USB C Ports | 1 | — |
| Peak Output Watts | 600W | — |
| Sensor Type | — | OmniSense |
| Model Number | — | HW01 |
| WiFi | — | Yes |
| Dimensions | — | 22" × 30" × 27" |
| Max Pet Weight | — | 25 lbs |
| App Subscription | — | Free |
| Cleaning Cycle | — | 7 min |
| Waste Capacity | — | 5.5L |
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Pros & Cons
Quick overview of strengths and weaknesses
Anker Anker 521
- LiFePO4 battery provides 10-year lifespan
- Peak 600W output handles high-draw appliances
- 60W USB-C PD port recharges laptops quickly
- Six outputs: 2 AC, 1 USB-C PD, 2 USB-A, 1 DC
- 8.16 lbs unit weight impacts portability
- 256Wh capacity limits high-draw use cases
- Solar charging requires separate panel purchase
GRECELL Portable Power
- Auto-cleans after each use
- WiFi app monitoring
- Fits cats up to 25 lbs
- Low noise operation
- Large footprint
- High upfront cost
- Requires specific litter
Frequently Asked Questions
Common questions about this comparison
Which power station is more portable for outdoor camping?
The Anker 521, at 8.16 lbs, is significantly more portable than the GRECELL, which is listed at 24.0 lbs. Both offer 300W AC output for small appliances.
What's the main difference in battery capacity between the two?
The Anker 521 has a 256Wh capacity, slightly higher than the GRECELL's 230Wh. Both use durable LiFePO4 batteries for longevity, ensuring reliable power.
How do their AC output capabilities compare?
Both the Anker 521 and GRECELL provide a continuous AC output of 300W, with a peak output of 600W. This makes them suitable for running similar small electronics and appliances.
Which power station charges faster?
The GRECELL power station advertises a 1.5-hour fast charging capability. The Anker 521's charging time is not specified but is generally longer for similar capacity devices without dedicated fast charging features.
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