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8.2
Anker
Anker 521 Portable Power Station
$197.99$269.99across 5 retailers
The Anker 521 Portable Power Station is a solid option for those looking for a reliable, versatile power source for outdoor adventures, emergency preparedness, or general charging needs. Its high capacity, multiple ports, and solar charging option make it particularly attractive. While the price might be a bit high for some, the features and quality offered justify the cost. If portability and specific size details are crucial for your needs, you might want to contact the seller for more information before making a purchase.
Model: A1720Color: BlackUPC: 194644083953
Lowest at Amazon
$349.99 at AmazonLowest at any Popular Retailer
$169.99 at WalmartWhere to Buy
Prices last updated: May 21st 2026 8:12 am
Product Score
Based on professional reviews and customer feedback
8.2/10
Overall
9/10
Expert
7.4
Consumer
Why this score?
The Anker 521 Portable Power Station achieves a high score due to its strong battery capacity, versatile charging options, and lightweight design, making it suitable for camping and backup power needs. However, some users have reported issues with its output capacity, particularly when powering larger devices, and a few have experienced customer service challenges. Overall, it offers good value for those seeking a reliable yet portable energy solution but may fall short for users needing to run high-draw appliances.
8+ Excellent6-8 Good4-6 Average<4 Poor
Score
The Anker 521 Portable Power Station achieves a high score due to its strong battery capacity, versatile charging options, and lightweight design, making it suitable for camping and backup power needs. However, some users have reported issues with its output capacity, particularly when powering larger devices, and a few have experienced customer service challenges. Overall, it offers good value for those seeking a reliable yet portable energy solution but may fall short for users needing to run high-draw appliances.
9/10
Expert
7.4/10
Consumer
Pros
- •High battery capacity of 256Wh, suitable for charging smartphones, laptops, and small appliances.
- •Equipped with 6 ports, including 2 AC outlets and a 60W US PD output.
- •LiFePO4 battery offers enhanced safety and longevity.
- •Excellent power output with 300W max AC output and a peak of 600W.
- •Great for outdoor use and emergency backup scenarios.
- •Provides the option of solar charging for added versatility (solar panel optional).
Cons
- •Some users might find the initial investment of $269.99 steep.
- •No specific commentary on the weight, which may affect portability for some users.
- •Lacks details on dimensions, which might be important for spaconscious buyers.
Bottom Line
The Anker 521 Portable Power Station is a solid option for those looking for a reliable, versatile power source for outdoor adventures, emergency preparedness, or general charging needs. Its high capacity, multiple ports, and solar charging option make it particularly attractive. While the price might be a bit high for some, the features and quality offered justify the cost. If portability and specific size details are crucial for your needs, you might want to contact the seller for more information before making a purchase.
What Reviewers Are Saying
Praised
great backup option5%
lightweight and portable10%
fast charging10%
good battery5%
good build quality5%
Criticized
not a fan10%
limited power output10%
customer service is awful5%
too small for my needs5%
USB-C port limitation5%
Customer Ratings
4.42,900 reviews
5
74%
4
11%
3
5%
2
3%
1
7%
Based on 2,900 reviews from Amazon
Professional Reviews
Discussion
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