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RIVER 3 Plus Portable Power Station
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EcoFlow

RIVER 3 Plus Portable Power Station

4.4 out of 5 · 13 reviews
$299.00
● In stock
Size
RIVER 3 Plus
  • Protect devices with <10ms pro-grade UPS
  • Recharge fully in just one hour
  • Whisper-quiet operation for 24/7 use
Free US shipping (5–7 business days) · 30-day returns · Sold by Cartivo (demo store — payments are simulated)

About this item

- <10 ms pro-grade UPS for precision devices - 600W rated output and 1200W X-Boost - Up to 2× runtime for light-wattage appliances - Expandable up to 858Wh with a wire-free connection - Compact and lightweight - 1-hr fast charging, no battery damage - Up to 220W fast solar charging - <30 dB whisper quiet for 24/7 use

Specifications

Ports2x AC, 2x USB-A, 1x USB-C, 1x Car Power, 2x DC5521
Weight8.4 lbs (3.8 kg)
Battery TypeLFP (LiFePO4)
Output Power600W (1200W X-Boost)
Recharge Time1 hour (AC fast charging)
Battery Capacity256Wh (estimated), expandable to 858Wh
Special Features<10ms pro-grade UPS, <30dB whisper quiet, 1-hr fast charging

Customer reviews (13)

What customers say: This portable power station is praised for its whisper-quiet operation, fast charging, and useful UPS function. Its base battery capacity can be limited for longer or heavier usage.
★★★★★

Incredibly versatile power

Diego R. · 2025-09-20 · Verified purchase

This unit is exactly what I needed for both home backup and outdoor excursions. The whisper-quiet operation is true to its word; you barely notice it's on. I've used it for everything from charging camera gear to running a small projector for outdoor movie nights. The 1-hour fast charging means it’s always ready to go when I need it.

★★★☆☆

Decent, but limited

Andrea R. · 2026-05-05 · Verified purchase

The unit charges fast and is very quiet, which I appreciate for indoor use. However, the 256Wh capacity meant I needed the expansion battery sooner than I expected for my specific needs. It's good for smaller items, but heavy usage requires more.

★★★★★

Excellent UPS function

Jake L. · 2026-08-19 · Verified purchase

I needed a reliable UPS for my home office setup, and this delivers. The switchover is seamless, keeping my router and PC running without a blip during quick power fluctuations. It's also remarkably quiet, so it doesn't distract me while I'm working.

★★★★☆

Solid backup, great features

Travis S. · 2026-07-04 · Verified purchase

This portable power station has been a great addition to my emergency kit. The fast AC charging is super convenient, and the option to expand the battery later is a nice touch for future needs. I mostly use it for charging phones, tablets, and running a small fan. My only minor complaint is that the initial battery capacity feels a little small without the expansion, which is an extra purchase.

★★★★★

Quiet and powerful

Erin M. · 2026-09-21 · Verified purchase

The noise level is practically nonexistent, which is a huge plus when running it indoors. I bought it primarily for emergency backup, and it's already proven its worth by keeping essential lights and a fan going during a recent outage. It's surprisingly light too.