Anker 521 Portable Power Station Upgraded with vs powkey Solar Powered Generator 100W Rated,
Updated July 2026 — Anker 521 Portable Power Station Upgraded with wins on battery and durability, powkey Solar Powered Generator 100W Rated, wins on price and weight.
The Anker 521 Portable Power Station offers superior capacity and features, making it a better choice for demanding users, while the powkey is a budget-friendly option for light use.
Why Anker 521 Portable Power Station Upgraded with is better
Power Capacity
Anker has 256Wh vs powkey's 97.68Wh
Durability
Anker lasts up to 10 years with InfiniPower technology
Output Options
Anker has diverse ports including 2 AC outlets
Why powkey Solar Powered Generator 100W Rated, is better
Price
powkey is $59.99 compared to Anker's $199.99
Weight
powkey weighs only 2.2 pounds
Portability
powkey is designed for easy transport
Overall score
Specifications
| Spec | Anker 521 Portable Power Station Upgraded with | powkey Solar Powered Generator 100W Rated, |
|---|---|---|
| Capacity | 256Wh | 97.68Wh |
| AC Outlets | 2 | 1 |
| USB Ports | 4 | 5 |
| Weight | N/A | 2.2 lbs |
| Charging Speed | Fast | Moderate |
Dimension comparison
Price Comparison
When comparing the prices of the Anker 521 Portable Power Station and the powkey Solar Powered Generator, the latter is significantly cheaper. The Anker 521 is priced at $199.99, while the powkey is available for only $59.99. This represents a difference of about 70%, making the powkey a more budget-friendly option for those looking to invest in a portable power solution. However, the Anker unit offers more features and higher capacity, which may justify its higher price for some users.
Power Capacity
In terms of power capacity, the Anker 521 clearly outperforms the powkey Solar Powered Generator. The Anker 521 boasts a capacity of 256Wh, compared to the powkey's 97.68Wh. This means the Anker can provide more than two and a half times the energy storage of the powkey, making it better suited for longer trips or powering multiple devices simultaneously. Users who require extended power supply for their devices may find the Anker 521 to be a more suitable choice.
Output Options
The Anker 521 offers a more versatile range of output options than the powkey Solar Powered Generator. With two AC outlets, two USB-A ports, one USB-C port, and one car outlet, the Anker is equipped to handle various device charging needs. In contrast, the powkey features seven output outlets, including a 110V AC outlet and multiple USB ports. While the powkey has more total outlets, the Anker's combination of high-wattage support and diverse port types could be more beneficial for users needing to charge multiple high-demand appliances.
Charging Speed
The charging speed of both power stations is noteworthy, but the Anker 521 has an edge due to its built-in USB-C port, which allows for fast recharging of compatible devices. This feature streamlines the charging process, catering to users who prioritize efficiency. The powkey also supports fast charging with its USB-C port and can recharge in as little as 2 to 4 hours via multiple methods, including solar, which is advantageous for outdoor users. However, the Anker's overall charging capabilities enhance its usability for those who frequently charge high-power devices.
Weight and Portability
When it comes to weight and portability, the powkey Solar Powered Generator is the clear winner. Weighing only 2.2 pounds, it is designed for easy transport, making it an ideal option for camping and outdoor activities. The Anker 521, while powerful, is likely heavier due to its larger battery capacity and additional features. Users who prioritize mobility and ease of transport may find the powkey more appealing, particularly for short trips or emergency situations.
Lifespan and Durability
The Anker 521 is built to last with its InfiniPower technology, ensuring a lifespan of up to 10 years. This durability is complemented by advanced temperature control and a robust construction, making it a reliable choice for long-term users. The powkey does not specify its lifespan, but it does feature a Battery Management System (BMS) for safety and efficiency. For customers who value longevity and are willing to invest more upfront, the Anker 521 presents a stronger case.
Use Cases
For diverse use cases, the Anker 521 Portable Power Station is particularly well-suited for high-demand situations such as powering appliances during outdoor activities or in emergencies. Its larger capacity and robust output make it ideal for users who need reliable power for multiple devices. On the other hand, the powkey Solar Powered Generator is better suited for light use, such as charging smartphones, tablets, and smaller devices. This makes it an excellent choice for casual campers or those needing backup power at home.
Which should you buy?
Ultimately, the choice between the Anker 521 Portable Power Station and the powkey Solar Powered Generator depends on your specific needs and budget. If you require a high-capacity, versatile power solution with a longer lifespan and robust output options, the Anker 521 is worth the investment at $199.99. However, if you're looking for a lightweight, budget-friendly option for light charging needs, the powkey at $59.99 is an excellent choice. Consider how you plan to use your power station to make the best decision for your circumstances.

