EcoFlow · Portable power station All-time low
EcoFlow DELTA Pro Smart Extra Battery
$1,199
$0.33 / Wh
$1,999
90-day median $1,199; all-time low $1,199 on 2026-07-07.
✓ In stock
✓ Price checked 2026-08-27
LFP · 6,500 cycles
| Capacity | 3,600 Wh |
|---|---|
| $/Wh today | $0.33 |
| Chemistry | LFP |
| Rated cycles | 6,500 (to 80%) |
| Weight | 84 lbs |
| Standalone use | No — link port only |
| Recharge without station | No — only through the station |
| Availability | In stock |
i Around its typical price
$1,199
It's averaged $1,199 over the last 90 days.
✓ At its all-time low
$1,199
The lowest price we've ever recorded for this model — matched today.
i Ignore the “list price”
$1,999 → $1,199
It shows −40% off list, but judge the deal against this model's own price history — not the sticker.
Full tech specifications 12 specs
Battery
| Chemistry | LFP‡ |
|---|---|
| Capacity | 3,600Wh |
| Rated cycles | 6,500‡ |
| Cycle retention | 50%‡ |
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 | 84 lbs‡ |
|---|
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.
Price history — DELTA Pro Smart Extra Battery
Price history — (Member-only) DELTA Pro Smart Extra Battery
Price history — 2 x DELTA Pro Smart Extra Battery
All configurations
| Configuration | Type | Price | Advertised | Deal | Stock |
|---|---|---|---|---|---|
| DELTA Pro Smart Extra Battery | Battery only | $1,199 | −40% | All-time low | ✓ |
| (Member-only) DELTA Pro Smart Extra Battery | Battery only | $1,199 | −40% | Typical price | ✓ |
| 2 x DELTA Pro Smart Extra Battery | Battery only | $2,398 | — | All-time low | ✓ |
| DELTA Pro + DELTA Pro Smart Extra Battery | Bundle | $2,849 | −41% | Tracking since 2d | ✓ |
$/Wh comparisons on this site use battery-only prices; bundles include solar panels or accessories whose value isn't reflected in battery capacity.