EF ECOFLOW Portable Power Station River 2 Max 500, vs DARAN Portable Power Station 28,
Updated July 2026 — EF ECOFLOW Portable Power Station River 2 Max 500, wins on output and battery, DARAN Portable Power Station 28, wins on charging time.
The EF ECOFLOW Portable Power Station River 2 Max 500 offers superior power output and features, making it ideal for demanding users, while the Portable Power Station 28 is a budget-friendly option for lighter needs.
Why EF ECOFLOW Portable Power Station River 2 Max 500, is better
Higher Output
River 2 Max delivers up to 1000W compared to 100W of Portable Power Station 28.
Faster Charging
River 2 Max recharges in 1 hour, while Portable Power Station 28 takes 1.5 hours.
More Ports
River 2 Max can power up to 11 devices simultaneously.
Why DARAN Portable Power Station 28, is better
Lower Price
Portable Power Station 28 is priced at $89.99, significantly cheaper than River 2 Max.
Lightweight
Portable Power Station 28 weighs only 2.54 pounds, making it easier to carry.
Compact Size
Portable Power Station 28 is designed to fit easily in a backpack.
Overall score
Specifications
| Spec | EF ECOFLOW Portable Power Station River 2 Max 500, | DARAN Portable Power Station 28, |
|---|---|---|
| Battery Type | LiFePO4 | LiFePO4 |
| Lifespan | 10 years | 3500 cycles |
| Fast Charging | Yes | Yes |
| Emergency Ready | No | Yes |
| Service Plan | 5 years | No |
Dimension comparison
Price Comparison
The EF ECOFLOW Portable Power Station River 2 Max 500 is priced at $298.98, while the Portable Power Station 28 is significantly cheaper at $89.99, making it about 70% less expensive. This price difference means that if budget is a primary concern for you, the Portable Power Station 28 offers a much more economical option. However, the higher price of the River 2 Max reflects its advanced features, making it essential to consider what you value most in a portable power solution.
Power Output
The River 2 Max delivers up to 1000W output, allowing users to power multiple devices simultaneously. In contrast, the Portable Power Station 28 has an output of 100W, with a peak of 200W. This significant difference in output capacity means that while the River 2 Max is suitable for larger appliances and multiple devices, the Portable Power Station 28 is more suited for smaller electronics like smartphones or laptops. For those needing to power heavier equipment during camping or emergency situations, the River 2 Max is clearly the stronger choice.
Battery Technology
Both products utilize LiFePO4 battery technology, which is known for its safety and longevity. The River 2 Max features a 499Wh battery with a lifespan of over 10 years, providing advanced BMS protection that monitors voltage, current, and temperature. On the other hand, the Portable Power Station 28 has a 28,000mAh capacity with a lifespan of over 3500 cycles, which is also impressive. While both batteries have long life expectancies, the River 2 Max's larger capacity means users will likely find it more useful for extended trips or emergencies where power availability is critical.
Charging Speed
The River 2 Max can recharge in just 1 hour via an AC outlet, which is incredibly fast for a power station of its size. The Portable Power Station 28, while having a slower charging rate, can charge from 0-80% in 1.5 hours, which is still respectable for a device of its capacity. However, the River 2 Max's rapid charging capability makes it more suited for situations where time is of the essence, like during outdoor adventures or power outages.
Portability
In terms of portability, the Portable Power Station 28 is noticeably lighter, weighing only 2.54 pounds and designed to be compact like a smartphone. This makes it easy to carry in a backpack. In comparison, the River 2 Max weighs 13.3 pounds, which, while still portable, may be less convenient for casual outings. If you prioritize a lightweight option for hiking or short trips, the Portable Power Station 28 may be the better choice, while the River 2 Max is designed for users who need more power and can handle a bit more weight.
Versatility
The River 2 Max has a variety of ports, including AC outlets and USB-C, capable of powering up to 11 devices at once. This versatility is ideal for users who need to charge multiple gadgets during camping trips or at home during outages. The Portable Power Station 28, while it has 7 output ports and can power several devices, is limited by its lower output capacity. If you frequently camp with multiple appliances or require a robust power solution for home backup, the versatility of the River 2 Max makes it the better option.
User Experience
Both products are designed with user experience in mind. The River 2 Max comes with a 5-year service plan and includes an AC charging cable, while the Portable Power Station 28 features a pocketable size and an ergonomic handle for easy carrying. The River 2 Max is ranked 8597 in sales, indicating a solid market presence, while the Portable Power Station 28 ranks significantly higher at 1216, suggesting it is a popular choice among budget-conscious consumers. This could indicate that while the River 2 Max may appeal to those needing more power, the Portable Power Station 28 is favored for its affordability and convenience.
Which should you buy?
Your choice between the EF ECOFLOW Portable Power Station River 2 Max 500 and the Portable Power Station 28 ultimately depends on your specific needs. If you require high output for multiple devices, quick charging, and a long-lasting battery for outdoor or emergency use, the River 2 Max is worth the investment. However, if you are looking for a lightweight, budget-friendly power bank primarily for lower-wattage devices, the Portable Power Station 28 is an excellent choice. Consider your power requirements, budget, and the importance of portability before making a decision.

