EcoFlow · Portable power station Above typical
EcoFlow DELTA 2 Max Smart Extra Battery
$899
$0.44 / Wh
90-day median $799; all-time low $799 on 2026-07-07.
Out of stock
✓ Price checked 2026-08-27
LFP
| Capacity | 2,048 Wh |
|---|---|
| $/Wh today | $0.44 |
| Chemistry | LFP |
| Weight | 42 lbs |
| Standalone use | No — link port only |
| Recharge without station | No — only through the station |
| Availability | Out of stock |
i Above its typical price
$799
It's averaged $799 over the last 90 days. You're currently paying above the 90-day norm.
i Above its all-time low
$799
Its lowest recorded price was $799 on 2026-07-07.
i Ignore the “list price”
$899
Judge the deal against this model's own price history — not the sticker.
Full tech specifications 10 specs
Battery
| Chemistry | LFP |
|---|---|
| Capacity | 2,048Wh |
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 | 42 lbs‡ |
|---|
‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.
Price history — DELTA 2 Max Smart Extra Battery
All configurations
| Configuration | Type | Price | Advertised | Deal | Stock |
|---|---|---|---|---|---|
| DELTA 2 Max Smart Extra Battery | Battery only | $899 | — | Above typical | out of stock |
| DELTA 2 Max + DELTA 2 Max Smart Extra Battery | Bundle | $1,899 | — | Above typical | 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.