EcoFlow · Portable power station All-time low
EcoFlow RIVER 3 Plus Smart Extra Battery 600 - Recommended Accessory
$249
$0.44 / Wh
$319
90-day median $249; all-time low $249 on 2026-07-07.
Out of stock
✓ Price checked 2026-08-27
LFP · 3,000 cycles
| Capacity | 572 Wh |
|---|---|
| $/Wh today | $0.44 |
| Chemistry | LFP |
| Rated cycles | 3,000 (to 80%) |
| Weight | 12.8 lbs |
| Expandable | Yes, to 858Wh |
| Standalone use | Yes — USB-C 140W |
| Recharge without station | No — only through the station |
| Availability | Out of stock |
i Around its typical price
$249
It's averaged $249 over the last 90 days.
✓ At its all-time low
$249
The lowest price we've ever recorded for this model — matched today.
i Ignore the “list price”
$319 → $249
It shows −22% off list, but judge the deal against this model's own price history — not the sticker.
Full tech specifications 15 specs
Battery
| Chemistry | LFP |
|---|---|
| Capacity | 572Wh |
| Rated cycles | 3000‡ |
| Expandable | Yes‡ |
| Max expanded | 858‡ |
Output
| AC outlets | 0 (link port only) |
|---|---|
| USB-C ports | 1× 140W |
| USB-C max | 140‡ |
| USB-A ports | 0 (link port only) |
| 12V / car output | 0 (link port only) |
Input & charging
| AC input | None — recharges via the station only |
|---|---|
| Solar (PV) input | None — recharges via the station only |
| Car input | None — recharges via the station only |
General & physical
| Weight | 12.8‡ |
|---|---|
| Warranty | 5 years‡ |
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.