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858Wh River 3 Max Plus Portable Power Station

Prices as of September 20, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$717.00
Sep 7 · Macy's
Best price
$717.00
−0% vs high
14-day high
$717.00
All stores
$717$717$717
Sep 7Sep 20
  • Macy's
Lowest in 14 days: $717.00 at Macy's. Highest: $717.00. Current best is 0% below the 14-day high.We last recorded a price on Sep 20, 2026. The chart shows the 14 days leading up to that date — there have been no price updates since.

About this product

The EcoFlow River 3 Max Plus Portable Power Station is a high-capacity, rechargeable power solution designed for home backup and outdoor use. It features a 600W continuous output with 1200W X-Boost capability and supports up to 220W solar charging. The system includes an integrated 858Wh battery and can be expanded with the optional 572Wh Smart Extra Battery, adding 140W of USB-C input and output. It comes with a 5-year warranty and is shipped via standard ground due to its lithium-ion battery content.

  • 858Wh battery capacity
  • 600W output, 1200W X-Boost
  • 220W solar charging
  • USB-C input/output on extra battery
  • 5-year warranty
  • standard ground shipping only

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858Wh River 3 Max Plus Portable Power Station — Price History