EcoFlow · Portable power station Typical price
EcoFlow DELTA Pro Ultra Series Smart Extra Battery (Recommended Accessory)
$2,299
$0.38 / Wh
90-day median $2,099; all-time low $2,099 on 2026-07-07.
✓ In stock
✓ Price checked 2026-08-27
LFP · 3,500 cycles
| Capacity | 6,000 Wh |
|---|---|
| $/Wh today | $0.38 |
| Chemistry | LFP |
| Rated cycles | 3,500 (to 80%) |
| Weight | 111.8 lbs |
| Expandable | Yes, to 90,000Wh |
| Availability | In stock |
i Around its typical price
$2,099
It's averaged $2,099 over the last 90 days.
i Above its all-time low
$2,099
Its lowest recorded price was $2,099 on 2026-07-07.
i Ignore the “list price”
$2,299
Judge the deal against this model's own price history — not the sticker.
Full tech specifications 7 specs
Battery
| Chemistry | LFP‡ |
|---|---|
| Capacity | 6,000Wh |
| Rated cycles | 3500‡ |
| Expandable | Yes‡ |
| Max expanded | 90000‡ |
General & physical
| Weight | 111.8‡ |
|---|---|
| Warranty | 5 years‡ |
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.