Our Verdict
ALLWEI 500W Wins
It offers greater capacity (512Wh vs 256Wh) and higher AC output (500W vs 300W). Choose Anker 521 for a lighter 8.16 lbs unit and a 60W USB-C PD for faster laptop charging.
Spec Comparison
12 specs compared
| Specification |  |  |
|---|---|---|
| Price | $234 | $130 |
| Rating | 4.4(2.3k) | 4.4(3.0k) |
| Capacity Wh | 512W | 256W |
| Chemistry | LiFePO4 | LiFePO4 |
| AC Output Watts | 500W | 300W |
| Dc Ports | 2 | 1 |
| AC Outlets | 2 | 2 |
| Cycle Life | 3000 | — |
| Weight | 13 lbs | 8.16 lbs |
| USB A Ports | 2 | 2 |
| USB C Ports | 2 | 1 |
| Charge Time Hours | 2.5 hrs | — |
| Peak Output Watts | 1000W | 600W |
| Solar Input Watts | 100W | — |
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Pros & Cons
Quick overview of strengths and weaknesses
ALLWEI Portable Power
- Charges fully via AC in 2.5 hours.
- LiFePO4 battery offers 3000 charge cycles.
- Provides instant UPS backup power.
- Multiple outputs: 2 AC, 2 USB-C, 2 USB-A, 3 DC.
- Solar panel requires separate purchase.
- 500W continuous AC output limits larger appliances.
- UPS function only for 500W max devices.
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
Frequently Asked Questions
Common questions about this comparison
Which is better for extended power needs during outdoor camping?
The ALLWEI provides a 512Wh capacity, significantly more than Anker's 256Wh. This allows ALLWEI to power devices for longer periods, making it superior for extended camping trips or situations requiring sustained energy supply.
What is the main difference in AC power output between these two stations?
The ALLWEI offers a higher continuous AC output of 500W and a 1000W surge, suitable for more demanding appliances. The Anker 521 provides 300W continuous output and 600W peak, best for lower-power devices.
Which power station is more portable for travel?
The Anker 521 is more portable, weighing 8.16 lbs. The ALLWEI, at 13.0 lbs, is heavier. For light travel or hiking where every pound counts, the Anker has a clear advantage due to its lower weight.
How do their charging speeds or battery chemistries compare?
Both use durable LiFePO4 batteries for longevity. The ALLWEI charges fully via AC in 2.5 hours and boasts 3000 cycles. Anker doesn't specify charge time but highlights a 10-year lifespan. ALLWEI also includes a UPS function.
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