HEAD-TO-HEAD · UPDATED AUG 10, 2026
EcoFlow RIVER 2 Max
vs BLUETTI EB3A.
Both are compact LiFePO4 power stations, but they solve different problems: the RIVER 2 Max prioritizes runtime, while the EB3A prioritizes lighter weight, 600W output, and entry value.
SIDE-BY-SIDE SPECS
RIVER 2 Max vs EB3A
| Specification | EcoFlow RIVER 2 Max | BLUETTI EB3A |
|---|---|---|
| Battery capacity | 512Wh | 268.8Wh |
| Rated AC output | 500W | 600W |
| Surge output | 1000W | 1200W |
| Weight | 6.1kg | 4.6kg |
| Solar input | 220W | 200W |
| Cycle claim | 3,000 | 2,500 |
| Ports | AC 4 · USB-C 100W | AC 1 · USB-C 100W |
| Reference price | $399 | $299 |
Reference prices are comparison anchors, not live quotes. Confirm price, stock, plug type, and warranty on the retailer page.
RIVER 2 Max holds almost twice the energy.
At 512Wh, the EcoFlow has about 90% more rated capacity than the 268.8Wh EB3A. At a continuous 60W load and 85% efficiency, the simple estimate is 7.3 hours versus 3.8 hours. That gap matters for a car refrigerator, CPAP, router, or overnight laptop setup.
EB3A is lighter and rated 100W higher.
The BLUETTI weighs 4.6kg and carries a 600W rating. The RIVER 2 Max weighs 6.1kg with 500W rated output. For short jobs below 600W, EB3A can be the more compact fit—but capacity remains the limiting factor on long runs.
Match the appliance, not the badge.
Choose the RIVER 2 Max when you need longer runtime and four AC outlets. Choose the EB3A when you need a lighter unit, a 600W ceiling, and do not need an overnight-size energy reserve. For a motor or compressor, verify startup surge in the appliance manual.
RUN YOUR OWN LOAD
Not using a 60W refrigerator?
Enter the watts and hours for your actual device. The calculator checks both required capacity and rated output against every WattMatch product.
FAQ
RIVER 2 Max vs EB3A
Is the EcoFlow RIVER 2 Max better than the BLUETTI EB3A?
The RIVER 2 Max is the stronger choice when runtime matters because it has 512Wh versus 268.8Wh. The EB3A is lighter, has a higher 600W rated output, and usually targets a lower entry price.
Which one is better for a car refrigerator?
Both can run a typical 60W car refrigerator, but the RIVER 2 Max has substantially more capacity. Using the same 85% efficiency estimate, it provides about 7.3 hours of continuous 60W draw versus about 3.8 hours for the EB3A.
Can either power station run a heater?
Most space heaters exceed the 500W and 600W rated outputs of these compact models. Even a lower-power heating load consumes capacity quickly, so check the device label and startup behavior before use.