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EcoFlow RIVER 3 Max Plus
Power Bank / Portable Battery

EcoFlow RIVER 3 Max Plus

4.4(77 ratings)from the retailer listing

The biggest River 3, with 858 Wh, 990 W AC and a 10 ms UPS switchover, in a box that still fits under a desk.

$369

Tracked 2026-08-26. The retailer listing is the price you pay.

Buy links are affiliate links: we earn a commission at no extra cost to you. Prices are tracked estimates, not live prices. Full disclosure

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Is the EcoFlow RIVER 3 Max Plus good for streaming?
The EcoFlow RIVER 3 Max Plus is a power bank / portable battery for streaming builds, tracked at $369, rated 4.4 out of 5 across 77 retailer reviews. Nothing here is lab-tested by us: the rating is the retailer’s and the price is a build-time bake.

Where it fits in a build

Keeps the rig alive. Match the output ports and wattage to your gear, and stay under 100Wh for air travel. See every power bank / portable battery pick

Capacity858Wh LiFePO4
USB-C2 (100W)
USB-A2
Max output990W AC
TSA legalNo

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Anker Travel-Ready Power Bank
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EcoFlow RIVER 3 Max Plus

$369Tracked 2026-08-26

Buy links are affiliate links: we earn a commission at no extra cost to you. Prices are tracked estimates, not live prices. Full disclosure

Buy on Amazon Build around it in the configurator

We do not lab-test hardware. Ratings and review counts come from the retailer listing and are labelled as such; stream-quality figures are conservative planning budgets from our published model. Prices are tracked at build time, not live, and were last refreshed 2026-08-26. How the numbers are derived: methodology. How picks are chosen: editorial policy.