EcoFlow · Portable power station Above typical
RIVER 3 Max (RIVER 3 Plus + Extra Battery 300)
$499
$0.87 / Wh
90-day median $439; all-time low $319 on 2026-07-07.
✓ In stock
✓ Price checked 2026-08-27
LFP
| Capacity | 572 Wh |
|---|---|
| $/Wh today | $0.87 |
| Chemistry | LFP |
| Output | 600W |
| Weight | 10.4 lbs |
| Availability | In stock |
i Above its typical price
$439
It's averaged $439 over the last 90 days. You're currently paying above the 90-day norm.
i Above its all-time low
$319
Its lowest recorded price was $319 on 2026-07-07.
i Ignore the “list price”
$499
Judge the deal against this model's own price history — not the sticker.
Full tech specifications 11 specs
Battery
| Chemistry | LFP‡ |
|---|---|
| Capacity | 572Wh |
Output
| AC output (continuous) | 600W‡ |
|---|---|
| USB-C ports | 1× 100W‡ |
| USB-C max | 100W‡ |
| USB-A ports | 12W‡ |
Input & charging
| AC input | 380W‡ |
|---|---|
| Solar (PV) input | 220W‡ |
General & physical
| Weight | 10.4 lbs‡ |
|---|---|
| Dimensions | 9.2×9.1×5.8 in‡ |
| Operating temperature | 14°F to 113°F‡ |
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.