Power Station $/Wh
Which portable power station gives the most battery for the money — every spec from the manufacturers' own listings

EcoFlow RIVER — dollars per watt-hour

EcoFlow · 288 Wh

Battery value at list price #66 of 73
$1.21 per Wh
288 Wh for $349.00 list — that is $0.43/Wh more expensive than the median station ($0.78/Wh).

The math

$349.00 list price ÷ 288 Wh = $1.21 per watt-hour

One number to compare any two stations fairly: what a watt-hour of battery costs at the maker's own list price. How and why we compute this.

Specifications (as listed by the manufacturer)

Battery capacity288 Wh
List price (MSRP)$349.00
Dollars per Wh$1.21/Wh
Rated AC outputnot stated on the listing
Battery chemistrynot stated on the listing
Weight7.7 kg (17.0 lb)
Port types mentionedAC

Where the capacity figure comes from

Extracted from the manufacturer's own listing (body), captured 2026-09-05:

• 3 x 600W AC OUTLETS AND 288Wh CAPACITY • RECHARGE FROM 0% TO 80% WITHIN 1 HOUR • COMPATIBLE WITH 80% HOME APPLIANCES •…

Source: https://us.ecoflow.com/products/river-portable-power-station

Buying

EcoFlow RIVER — list price $349.00 (store price (no separate list price shown)) as captured 2026-09-05. Street prices move often, especially around sales; check the manufacturer's store for today's price. This site does not track live prices yet.

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