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EF ECOFLOW Portable Power Station River 2 Max 500, vs HOWEASY Portable Power Station,135W Solar

Updated July 2026 — EF ECOFLOW Portable Power Station River 2 Max 500, wins on output and battery, HOWEASY Portable Power Station,135W Solar wins on price and weight.

The EF ECOFLOW Portable Power Station offers superior capacity and performance, making it ideal for serious outdoor use, while the HOWEASY is a budget-friendly option for basic needs.

Why EF ECOFLOW Portable Power Station River 2 Max 500, is better

Higher Capacity

499Wh vs 98Wh

Faster Charging

1 hour AC recharge vs 1 hour for 80%

Greater Output

1000W vs 135W

Why HOWEASY Portable Power Station,135W Solar is better

Lightweight

2.3 lbs vs 13.3 lbs

Lower Price

$109.99 vs $298.98

Compact Size

6.6 x 4 x 3 inches vs larger dimensions

Overall score

EF ECOFLOW Portable Power Station River 2 Max 500,
85
HOWEASY Portable Power Station,135W Solar
60

Specifications

SpecEF ECOFLOW Portable Power Station River 2 Max 500,HOWEASY Portable Power Station,135W Solar
Capacity499Wh98Wh
Output1000W135W
Weight13.3 lbs2.3 lbs
Recharge Time1 hour1 hour for 80%
Price$298.98$109.99

Dimension comparison

EF ECOFLOW Portable Power Station River 2 Max 500,HOWEASY Portable Power Station,135W Solar

Overview of the Products

When comparing the EF ECOFLOW Portable Power Station River 2 Max 500 and the HOWEASY Portable Power Station, the two products cater to different needs and budgets. The EF ECOFLOW is priced at $298.98, while the HOWEASY comes in at a significantly lower price of $109.99, making it about 63% cheaper. Understanding the capabilities and intended use of each power station can help you make an informed decision based on your specific requirements.

Battery Capacity and Performance

The EF ECOFLOW Portable Power Station River 2 Max 500 boasts a robust 499Wh lithium-iron-phosphate (LiFePO4) battery, offering long-lasting power for various devices and appliances. In contrast, the HOWEASY Portable Power Station has a smaller capacity of 98Wh, making it suitable primarily for charging smaller electronics like smartphones and laptops. With the EF ECOFLOW, users can run up to 11 essential appliances simultaneously and can achieve a rapid recharge in just one hour using a standard AC outlet. This performance makes it ideal for outdoor activities, RVs, and home use.

Charging Options and Speed

In terms of charging capabilities, the EF ECOFLOW outshines the HOWEASY with its fast charging technology. It can be recharged via AC in one hour or through solar panels in as little as 2.3 hours with 220W input. The HOWEASY offers a more modest recharge time of one hour for 80% capacity via its 65W PD port, yet it lacks the same rapid solar charging efficiency. If quick recharges are essential for your outdoor adventures, the EF ECOFLOW is the clear winner.

Portability and Weight

Portability is a crucial factor for users who plan to transport their power stations frequently. The HOWEASY Portable Power Station is compact and lightweight at just 2.3 lbs, making it easy to carry for camping trips or emergencies. In comparison, the EF ECOFLOW weighs 13.3 lbs, which, while still manageable, may be less convenient for some users. If weight and transportability are your primary concerns, the HOWEASY takes the lead with its lightweight design.

Output Capacity and Versatility

The output capacity of the EF ECOFLOW is significantly higher, with an impressive up to 1000W output, allowing it to power larger devices and appliances. Conversely, the HOWEASY has a lower output of 135W with a peak of 270W, limiting its use mainly to smaller electronics and appliances. The versatility of the EF ECOFLOW makes it more suitable for various situations, from outdoor camping to home backup power, while the HOWEASY is more confined to basic charging needs.

Additional Features

Both power stations come with unique features that cater to different preferences. The EF ECOFLOW includes multiple ports, such as AC outlets and USB-C, ensuring compatibility with various devices, while also providing a 5-year service warranty. The HOWEASY, on the other hand, includes a built-in multi-purpose flashlight with various modes for emergency situations. However, its battery management system (BMS) offers six-fold protection, ensuring reliability during use. These additional features highlight the EF ECOFLOW's focus on utility and extensive use, while the HOWEASY emphasizes practicality and safety.

Price Comparison

The EF ECOFLOW Portable Power Station River 2 Max 500 is priced at $298.98, while the HOWEASY Portable Power Station is available for $109.99. This represents a price difference of approximately $188.99, making the HOWEASY about 63% less expensive. While the lower price of the HOWEASY may be appealing, it is essential to consider what you are sacrificing in terms of capacity, output, and overall performance. The price difference reflects the differences in capabilities, with the EF ECOFLOW providing a more powerful and versatile solution.

Customer Reception and Sales Rank

The EF ECOFLOW has a sales rank of 8597, indicating a moderate level of popularity among buyers, while the HOWEASY ranks at 16069. This suggests that the EF ECOFLOW may be a preferred choice among users who prioritize performance and functionality, although both products have their respective market niches. Understanding customer reception can provide insights into the reliability and satisfaction associated with each product.

Which should you buy?

Choosing between the EF ECOFLOW Portable Power Station River 2 Max 500 and the HOWEASY Portable Power Station ultimately depends on your specific needs. If you require a powerful, versatile power source for outdoor activities, RV trips, or emergency home backup, the EF ECOFLOW is the superior option despite its higher price. However, if your primary focus is on lightweight portability and you only need to charge smaller devices, the HOWEASY offers a budget-friendly solution. Consider your intended use and budget to determine which power station fits your lifestyle best.