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Anker 521 Portable Power Station Upgraded with vs HOWEASY Portable Power Station,135W Solar

Updated July 2026 — Anker 521 Portable Power Station Upgraded with wins on output and battery, HOWEASY Portable Power Station,135W Solar wins on ports.

The Anker 521 offers superior power capacity and features, making it ideal for demanding applications, while the HOWEASY is a budget-friendly option for lighter tasks.

Why Anker 521 Portable Power Station Upgraded with is better

Power Capacity

Anker 521 has 256Wh vs HOWEASY's 98Wh

Output Power

Anker 521 peaks at 600W vs HOWEASY's 270W

Warranty

Anker offers a 5-year warranty vs HOWEASY's 2 years

Why HOWEASY Portable Power Station,135W Solar is better

Price

HOWEASY is $109.99 vs Anker's $199.99

Weight

HOWEASY is lighter at 2.3 lbs vs Anker's heavier design

Portability

HOWEASY is more compact for travel

Overall score

Anker 521 Portable Power Station Upgraded with
85
HOWEASY Portable Power Station,135W Solar
70

Specifications

SpecAnker 521 Portable Power Station Upgraded withHOWEASY Portable Power Station,135W Solar
BrandAnkerHOWEASY
Price$199.99$109.99
Peak Power600W270W
Battery TypeLiFePO4Lithium
USB-C Output60W65W

Dimension comparison

Anker 521 Portable Power Station Upgraded withHOWEASY Portable Power Station,135W Solar

Overview of the Anker 521 and HOWEASY Portable Power Stations

The Anker 521 Portable Power Station is priced at $199.99, while the HOWEASY Portable Power Station is available for $109.99, making it about 45% cheaper than its competitor. Both products aim to provide reliable power solutions for outdoor activities, travel, and emergency situations, but they cater to different needs and power capacities. The Anker 521 offers a robust output and a higher battery capacity, while the HOWEASY focuses on portability and ease of use for more basic power demands.

Power Capacity and Performance

The Anker 521 boasts an impressive capacity of 256Wh, allowing it to power high-demand appliances with a peak output of 600W. This makes it an excellent choice for users needing to run multiple devices or power-hungry equipment during outdoor adventures or emergencies. In contrast, the HOWEASY Portable Power Station has a capacity of 98Wh and a peak output of 270W. This lower capacity is suitable for charging smaller devices like smartphones, laptops, and cameras but may struggle with larger appliances. Thus, the Anker 521 is better suited for those needing substantial power, while the HOWEASY serves well for light-duty tasks.

Charging Options and Versatility

While both power stations offer multiple charging ports, the Anker 521 provides a more versatile charging hub with a total of six ports, including two AC outlets, two USB-A ports, one USB-C, and one car outlet. This setup allows users to charge various devices simultaneously without sacrificing performance. The HOWEASY, on the other hand, can charge up to seven devices at once with its mix of two AC outlets, a 65W PD port, and additional USB ports. While it offers greater simultaneous charging potential, its power capacity limits its usability for larger devices. Thus, the choice between these two depends on whether you need more power or simply more ports.

Portability and Design

The HOWEASY Portable Power Station is more compact and lightweight, weighing just 2.3 lbs and measuring 6.6 x 4 x 3 inches. This design makes it highly portable, ideal for camping trips and travel. Meanwhile, the Anker 521, while still manageable, is larger and heavier due to its higher capacity and robust construction. Users who prioritize portability may find the HOWEASY more appealing, especially for short trips or casual outings. However, those needing a reliable power source for longer durations may prefer the Anker's more substantial offering.

Charging Speed and Solar Compatibility

The Anker 521 features streamlined fast charging capabilities, particularly through its USB-C port, which allows for quick recharging of laptops and devices. This is a significant advantage for users who need to recharge devices swiftly when on the go. Conversely, the HOWEASY supports solar charging, which is a great feature for off-grid adventures, enabling users to recharge using solar panels. However, it requires a specific voltage range (15V-24V) for solar charging, which may limit options. Thus, while Anker excels in speed, HOWEASY offers an edge in solar compatibility for outdoor enthusiasts.

Safety Features and Durability

Safety is paramount in portable power stations, and both the Anker 521 and HOWEASY provide excellent protection features. The Anker employs InfiniPower technology, ensuring a long lifespan of up to 10 years with LiFePO4 batteries, advanced temperature control, and durable construction. On the other hand, the HOWEASY utilizes a six-layer Battery Management System (BMS) to actively monitor and prevent issues like overvoltage and overheating, enhancing reliability in harsh conditions. Users can feel secure using either product, but the Anker's longer lifespan may be advantageous for those seeking a long-term investment.

Customer Support and Warranty

Both brands offer solid customer support options, enhancing buyer confidence. The Anker 521 comes with a worry-free 5-year warranty, reflecting the brand's commitment to quality and customer satisfaction. Meanwhile, the HOWEASY Portable Power Station provides a 24-month warranty and 24/7 customer service support. For consumers, the Anker’s extended warranty may be more appealing, especially for higher investments. However, HOWEASY's immediate customer service availability can be a significant advantage for users who prioritize responsiveness.

Which should you buy?

Choosing between the Anker 521 and HOWEASY Portable Power Stations ultimately depends on your power needs and usage scenarios. If you require a high-capacity power solution with robust output for demanding applications, the Anker 521 is the superior choice, despite its higher price of $199.99. On the other hand, if you're looking for a portable, budget-friendly option primarily for charging smaller devices, the HOWEASY at $109.99 offers excellent value. Consider your specific requirements to make the best decision between these two capable portable power stations.