Our Verdict
Anker 535 Portable Power Station Wins

It offers superior 512Wh capacity and 500W continuous AC output. Choose GRECELL for lighter power needs and if an included solar panel and fast 1.5hr charging are top priorities.
Spec Comparison
15 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $280 | $260 |
| Rating | 4.6(399) | 4.6(419) |
| Capacity Wh | 512W | — |
| Chemistry | LiFePO4 | — |
| AC Output Watts | 500W | — |
| AC Outlets | 4 | — |
| USB C Ports | 1 | — |
| Peak Output Watts | 750W | — |
| Weight | — | 24 lbs |
| 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 535
- 512Wh capacity offers substantial portable power.
- LiFePO4 battery ensures long lifespan, increased safety.
- 500W AC output handles common household electronics.
- Four AC outlets power multiple devices simultaneously.
- 500W continuous output limits demanding appliances.
- Only one 60W USB-C Power Delivery port included.
- Solar charging requires separate panel purchase.
GRECELL Solar Generator
- 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 is better for extended outdoor camping trips?
Anker 535 is better for extended trips with its 512Wh capacity, nearly double GRECELL's 230Wh. This allows longer usage for more devices before needing a recharge, ensuring sustained power.
What's the main difference in power output capabilities?
Anker offers a reliable 500W continuous AC output. GRECELL lists a 600W surge, but its continuous output is unspecified; it is likely lower for practical, sustained power delivery compared to Anker.
Does either product come with a solar panel?
Yes, the GRECELL unit includes a 40W solar panel for immediate solar charging. The Anker 535, while solar-compatible, requires you to purchase a solar panel separately, adding to the initial cost.
Which unit offers faster charging?
The GRECELL unit features 1.5-hour fast charging for its 230Wh capacity. This is very quick for its size. Anker's charging speed for its larger 512Wh capacity isn't specified in the provided details.
What's the main difference in battery chemistry?
Both power stations utilize LiFePO4 battery chemistry. This means both offer excellent longevity, high safety, and a stable performance over many charge cycles, making them durable choices for portable power.
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