EcoFlow · Portable power station Tracking since 9d
EcoFlow DELTA 2 Smart Extra Battery
$369
$0.36 / Wh
$439
Tracked for 9 days; deal scoring unlocks at 30 days.
Out of stock
✓ Price checked 2026-08-27
LFP · 3,000 cycles
| Capacity | 1,024 Wh |
|---|---|
| $/Wh today | $0.36 |
| Chemistry | LFP |
| Rated cycles | 3,000 (to 80%) |
| Weight | 21 lbs |
| Standalone use | No — link port only |
| Recharge without station | No — only through the station |
| Availability | Out of stock |
i Building 90-day history
9/30 days
Deal scoring against the 90-day average unlocks once we've tracked this model for 30 days.
i Lowest in 9 days
$369
Only 9 days of history so far — not enough for an all-time-low claim.
i Ignore the “list price”
$439 → $369
It shows −16% off list, but judge the deal against this model's own price history — not the sticker.
Full tech specifications 14 specs
Battery
| Chemistry | LFP |
|---|---|
| Capacity | 1,024Wh |
| Rated cycles | 3,000‡ |
| Max expanded | 2048‡ |
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 | 21 lbs‡ |
|---|---|
| Dimensions | 15.7 × 8.3 × 11.1 in‡ |
| Warranty | 5 years‡ |
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.
Price history — DELTA 2 Smart Extra Battery
Price history — (Members-only) DELTA 2 Smart Extra Battery
All configurations
| Configuration | Type | Price | Advertised | Deal | Stock |
|---|---|---|---|---|---|
| DELTA 2 Smart Extra Battery | Battery only | $369 | −16% | Tracking since 9d | out of stock |
| DELTA 2 + DELTA 2 Smart Extra Battery | Bundle | $799 | — | Tracking since 9d | out of stock |
| (Members-only) DELTA 2 Smart Extra Battery | Battery only | $349 | −21% | Tracking since 9d | 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.