EcoFlow · Portable power station Normal price
EcoFlow DELTA Pro Ultra Series Smart Extra Battery
$2,399
$0.39 / Wh
$3,299
✓ In stock
✓ Price checked 2026-10-12
LFP
| Capacity | 6,144 Wh |
|---|---|
| $/Wh today | $0.39 |
| Chemistry | LFP |
| Weight | 111.3 lbs |
| Standalone use | No — link port only |
| Recharge without station | No — only through the station |
| Availability | In stock |
Today's price verdict
Normal price — $2,399
Today's price is within its normal range around the 90-day median.
- 90-day median
- $2,399
- Recorded low
- $2,199 on 2026-07-07
- Advertised discount
- −27% from the store's comparison price
- Days tracked
- 97
Price history — 1 x DELTA Pro Ultra Series Smart Extra Battery
Price history — 2 x DELTA Pro Ultra Series Smart Extra Battery
Price history — 3 x DELTA Pro Ultra Series Smart Extra Battery
Full tech specifications 11 specs
Battery
| Chemistry | LFP‡ |
|---|---|
| Capacity | 6,144Wh |
Output
| AC outlets | 0 (link port only) |
|---|---|
| USB-C ports | 0 (link port only) |
| 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 | 111.3 lbs‡ |
|---|---|
| Warranty | 5 years‡ |
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.
Head-to-head comparisons
All configurations
| Configuration | Type | Price | Advertised | Deal | Stock |
|---|---|---|---|---|---|
| 1 x DELTA Pro Ultra Series Smart Extra Battery | Battery only | $2,399 | −27% | Normal price | ✓ |
| 2 x DELTA Pro Ultra Series Smart Extra Battery | Battery only | $4,599 | −30% | Normal price | ✓ |
| 3 x DELTA Pro Ultra Series Smart Extra Battery | Battery only | $6,799 | — | Normal price | ✓ |
| 4 x DELTA Pro Ultra Series Smart Extra Battery | Battery only | $8,999 | — | Normal price | ✓ |
| (Members Only) 2 x DELTA Pro Ultra Series Smart Extra Battery | Battery only | $4,599 | −30% | Normal price | ✓ |
$/Wh comparisons on this site use battery-only prices; bundles include solar panels or accessories whose value isn't reflected in battery capacity.