BLUETTI · Portable power station All-time low
BLUETTI B300S Expansion Battery | 3,072Wh
$1,499
$0.49 / Wh
$1,999
90-day median $1,499; all-time low $1,499 on 2026-07-07.
Out of stock
✓ Price checked 2026-08-27
LFP · 3,500 cycles
| Capacity | 3,072 Wh |
|---|---|
| $/Wh today | $0.49 |
| Chemistry | LFP |
| Rated cycles | 3,500 (to 80%) |
| Weight | 83.8 lbs |
| Standalone use | Yes — USB-C 100W · USB-A 18W · 12V |
| Recharge without station | Solar 500W · AC 500W · Car |
| Availability | Out of stock |
i Around its typical price
$1,499
It's averaged $1,499 over the last 90 days.
✓ At its all-time low
$1,499
The lowest price we've ever recorded for this model — matched today.
i Ignore the “list price”
$1,999 → $1,499
It shows −25% off list, but judge the deal against this model's own price history — not the sticker.
Full tech specifications 18 specs
Battery
| Chemistry | LFP |
|---|---|
| Capacity | 3,072Wh |
| Rated cycles | 3,500+‡ |
| Cycle retention | 80%‡ |
Output
| AC outlets | 0 (link port only) |
|---|---|
| USB-C ports | 1× 100W |
| USB-C max | 100W‡ |
| USB-A ports | 1× 18W |
| 12V / car output | 1× 12V/10A |
Input & charging
| AC input | 500W |
|---|---|
| Solar (PV) input | 500W |
| Solar voltage / current | 12–60V · 10A‡ |
| Car input | 12/24V cigarette lighter port |
| Max combined input | 1,000W‡ |
General & physical
| Weight | 83.8 lbs‡ |
|---|---|
| Dimensions | 20.5 x 12.5 x 10.5 in‡ |
| Operating temperature | -4°F to 104°F‡ |
| Certifications | UL2743, UKCA, RCM, PSE, FCC, CE‡ |
‡ Sourced from BLUETTI's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.