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EF ECOFLOW Portable Power Station River 2 Max 500, vs EF ECOFLOW Portable Power Station RIVER 3,

Updated July 2026 — EF ECOFLOW Portable Power Station River 2 Max 500, wins on output and battery, EF ECOFLOW Portable Power Station RIVER 3, wins on safety and solar charge.

The River 2 Max 500 offers superior capacity and output, making it ideal for extensive power needs, while the RIVER 3 is a more portable and budget-friendly option.

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

Higher Capacity

499Wh vs 245Wh

Greater Output

1000W vs 300W

Faster Solar Charging

2.3 hours vs 2.6 hours

Why EF ECOFLOW Portable Power Station RIVER 3, is better

Lighter Weight

7.8 lbs vs 13.3 lbs

Lower Price

$196.00 vs $298.98

Advanced Safety

X-Guard technology

Overall score

EF ECOFLOW Portable Power Station River 2 Max 500,
85
EF ECOFLOW Portable Power Station RIVER 3,
75

Specifications

SpecEF ECOFLOW Portable Power Station River 2 Max 500,EF ECOFLOW Portable Power Station RIVER 3,
BrandEF ECOFLOWEF ECOFLOW
Fast Charging1 hour1 hour
Battery TypeLiFePO4LiFePO4
UsageOutdoor/HomeOutdoor/Home
Warranty5 years2 years

Dimension comparison

EF ECOFLOW Portable Power Station River 2 Max 500,EF ECOFLOW Portable Power Station RIVER 3,

Price Comparison

The EF ECOFLOW Portable Power Station River 2 Max 500 is priced at $298.98, while the EF ECOFLOW Portable Power Station RIVER 3 is available for $196.00. This makes the RIVER 3 about 17% cheaper than the River 2 Max 500, offering a more budget-friendly option for those seeking portable power solutions. However, the price difference reflects varying capabilities and features between the two models, which potential buyers should consider before making a decision.

Battery Capacity and Technology

The River 2 Max 500 boasts a 499Wh LiFePO4 battery, providing a substantial energy reserve for users. In contrast, the RIVER 3 features a smaller 245Wh LiFePO4 battery. This significant difference in capacity means the River 2 Max 500 can power more devices or run for longer durations, making it more suitable for extensive outdoor adventures or home backup purposes. On the other hand, the RIVER 3's battery is designed for users with lighter power needs, emphasizing portability and ease of use.

Charging Speed

Both power stations offer impressive charging capabilities, but there are key differences. The River 2 Max 500 can recharge in just one hour using standard AC outlets, while the RIVER 3 also offers fast charging to 100% in one hour but requires a different charging strategy for solar input, taking 2.6 hours with 110W solar input. The River 2 Max 500 can recharge in as fast as 2.3 hours with a solar input of 220W. Therefore, while both models feature one-hour AC charging, the River 2 Max 500 provides a marginally quicker solar charging experience, advantageous for users who prioritize solar energy.

Output Power

The River 2 Max 500 has a maximum output of up to 1000W, allowing it to run 11 essential appliances simultaneously without risk of overload. This capability is ideal for users needing power for multiple devices or larger appliances. Conversely, the RIVER 3 offers a 300W output with X-Boost capabilities of up to 600W, which makes it suitable for smaller devices and applications. The higher output of the River 2 Max 500 positions it as a more flexible option for users with greater power demands.

Weight and Portability

Portability is a crucial factor for users looking for a power station for outdoor use. The River 2 Max 500 weighs 13.3 lbs, which is relatively lightweight but not the most portable option. In comparison, the RIVER 3 is significantly lighter at just 7.8 lbs, making it 41% lighter than the River 2 Max 500. This substantial weight difference makes the RIVER 3 easier to carry and transport, especially for camping trips or outdoor excursions where every ounce matters.

Safety Features

Both models prioritize safety but employ different technologies. The River 2 Max 500 comes with advanced battery management system (BMS) protection, monitoring voltage, current, and temperature to ensure safe operation over its lifespan. Meanwhile, the RIVER 3 features X-Guard technology, which provides comprehensive safety measures with over 40 protection features against various risks. While both devices are built with safety in mind, the RIVER 3's advanced safety algorithms may offer an extra layer of security for users concerned about power management.

Usage Scenarios

The River 2 Max 500 is designed for users who need robust power solutions for extensive outdoor activities, RV trips, or home backup scenarios. Its higher capacity and output make it ideal for running multiple devices or larger appliances. In contrast, the RIVER 3 is suited for lighter usage scenarios, such as powering smaller devices, making it a great option for casual campers or emergency backup for essential electronics. Understanding these intended use cases can help potential buyers choose the model that best fits their lifestyle.

Which should you buy?

Choosing between the EF ECOFLOW Portable Power Station River 2 Max 500 and the RIVER 3 ultimately depends on your specific needs. If you require higher capacity and output for extensive power demands, the River 2 Max 500 is worth the investment at $298.98. However, if portability, budget, and lighter power needs are your priorities, the RIVER 3 at $196.00 offers a compelling and cost-effective alternative. Assess your power requirements and usage scenarios to make the best choice for your situation.