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🔌 Power that keeps up with your hustle—expand, charge, and conquer!
The EF ECOFLOW River 3 Plus Extra Battery EB300 adds 286Wh of portable, rugged power with a 10-year lifespan thanks to advanced LFP chemistry. Featuring a 140W USB-C port for fast charging and independent use, it’s IP65 waterproof and drop-tested for outdoor reliability. Stack it effortlessly with the RIVER 3 Plus or use solo, charging via solar, AC, or car in just 1.5 hours.
| ASIN | B0DS2BWFN7 |
| Antenna Location | Power Tool |
| Best Sellers Rank | #11,112 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #57 in Outdoor Generators |
| Brand | EF ECOFLOW |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 51 Reviews |
| Included Components | RIVER 3 Plus Extra Battery EB300 |
| Item Dimensions | 9.2 x 8.8 x 4.3 inches |
| Manufacturer | EF ECOFLOW |
| Mfr Part Number | EB300 |
| Model Name | EF-RV-E01-1 |
| Model Number | EF-RV-E01-1 |
| Number of Items | 1 |
| Number of Outlets | 1 |
| Other Special Features of the Product | Portable |
| Output Wattage | 140 |
| Power Source | Battery Powered |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| Special Feature | Portable |
| UPC | 842783163493 |
| Unit Count | 1 Count |
| Warranty Description | 5 Year |
C**.
Just works
Flawless. Clicks right into place and just works.
A**B
Good
Works as expected
S**S
Couldn’t be easier.
Works exactly as advertised - plug and play for more run time.
A**R
Dependable battery
Battery extension works like it says gives you more time for usage of power station, charges fast and can be used separately as a stand alone power to charge a laptop or phone. Good for camping and road trips .I highly recommend.
J**.
Great add on
Excellent addition to the Ecoflow River 3. The river three is unique in its size, as it can handle 600 watts. Couple it with this extra battery, and it takes the power station into a different class at a very reasonable price point.
A**O
Must have
Just buy it! Arrived on time and in perfect condition. Quality is solid and works just as expected. Would definitely recommend to anyone looking for something like this!
P**S
Good for emergencies
This item works as advertised
U**O
Works amazing
Can’t go wrong with EcoFlow.
Trustpilot
4 days ago
1 month ago