EcoFlow · Portable power station Normal price
EcoFlow RIVER 3 Plus Smart Extra Battery
| Capacity | 286 Wh |
|---|---|
| $/Wh today | $0.56 |
| Chemistry | LFP |
| Weight | 7.7 lbs |
| Standalone use | Yes — USB-C 140W |
| Availability | In stock |
Today's price verdict
Normal price — $159
Today's price is within its normal range around the 90-day median.
- 90-day median
- $159
- Recorded low
- $139 on 2026-10-06
- Days tracked
- 97
Price history — 300EB
Price history — 600EB
Full tech specifications 6 specs
Battery
| Chemistry | LFP |
|---|---|
| Capacity | 286Wh |
Output
| USB-C ports | 1× 140W |
|---|---|
| USB-C max | 140W‡ |
General & physical
| Weight | 7.7 lbs‡ |
|---|---|
| Dimensions | 9.2 x 8.8 x 4.3 in‡ |
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.
All configurations
| Configuration | Type | Price | Advertised | Deal | Stock |
|---|---|---|---|---|---|
| 300EB | Battery only | $159 | — | Normal price | ✓ |
| 600EB | Battery only | $249 | −22% | Normal price — matches recorded low | out of stock |
$/Wh comparisons on this site use battery-only prices; bundles include solar panels or accessories whose value isn't reflected in battery capacity.