River 3 Plus 286Wh Portable Power Station
All-in-One System Portable
286 Wh LFP, 600 W AC (1200 W X-Boost), 220 W solar. Extra-portable form factor (4.7 kg).
Normalized price
$1,045 per kWh
$299 listed price
Methodology: lowest in-stock merchant price · normalized to nameplate
Backpacking with electronics
The data
Specifications
Battery
| Capacity (nominal) | 0.286 kWh |
|---|---|
| Chemistry | LFP |
Output
| Continuous AC output | 600 W |
|---|---|
| Surge output | 1.2 kW |
| Outlets | 3× 120V AC, 2× USB-A, 1× USB-C, 1× 12V DC |
Charging
| Solar input | 220 W |
|---|
Smart features & certifications
| App / Wi-Fi | Yes |
|---|---|
| App brand | EcoFlow |
Physical
| Weight | 4.7 kg |
|---|
Warranty
| Warranty | 5 years |
|---|
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Editorial
Best for, watch out for
Best for
- Backpacking with electronics
- Power tool charging on remote sites
- Tabletop emergency kit
Watch out for
- Capacity won't run a fridge for long — for outage backup, look at the Delta line
The market
Price history
Price history
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Common questions
What people ask about the River 3 Plus 286Wh Portable Power Station
What's the difference between River 3 Plus 286Wh Portable Power Station and a residential all-in-one inverter-battery?
EcoFlow River 3 Plus 286Wh Portable Power Station is a solar generator (portable power station) — designed to be picked up and moved, with built-in outlets and a solar input port. It's distinct from a residential AIO like the EcoFlow PowerOcean or Sol-Ark 12K, which is a permanent-install hybrid inverter wired into a home's main panel. Solar generators excel at backup-of-last-resort, off-grid trips, and powering specific high-priority devices. Residential AIOs are what you'd choose to back up the whole home.
What can EcoFlow River 3 Plus 286Wh Portable Power Station actually run, and for how long?
With 600W continuous AC output, EcoFlow River 3 Plus 286Wh Portable Power Station can run anything that draws under that wattage continuously: refrigerators (~150W), LED lights, laptops, modems, CPAP machines, even small space heaters at low setting. Surge to 1200W means it can handle motor-startup spikes from compressors and small pumps. At 0.286kWh capacity, runtime depends on draw: a 60W draw runs 4 hours, a 600W draw runs 0.4 hours. (The 0.85 factor is realistic round-trip efficiency.)
How do I expand capacity?
EcoFlow River 3 Plus 286Wh Portable Power Station is sold as a single fixed-capacity unit. Most modern solar generators in this class expand via stackable add-on batteries; this one doesn't. To grow runtime later, you'd add a second matched unit and run them as separate banks.
Will this charge from the panels I already have?
EcoFlow River 3 Plus 286Wh Portable Power Station accepts solar input via a built-in MPPT charger. The exact voltage range and max wattage on this unit aren't in our verified spec set — confirm before pairing with rooftop or portable panels, as solar generator MPPTs typically have tight voltage windows that not every panel string fits.
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