Computers › Electronic components
USB Boost Converter DC 5V to 9V 12V USB Step-up Converter Cable + 3.5x1.35mm Connecter For Power Supply/Charger/Power Converter
Quick answer
Is $3.49 a good price for USB Boost Converter DC 5V to 9V 12V USB Step-up Converter Cable +…?
Too early to tell: DipScout has tracked this price for 1 day, and comparing it with a typical price takes at least 7 days. Tracked since Nov 10, 2026, the price hasn't changed.
$3.49
Today it costs $3.49 on AliExpress. Since Nov 10, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale. Price checked on Nov 10, 2026, 07:50 UTC.
We have tracked this product for 1 day; confirming a drop takes at least 7 days. The store advertises "was $7.58", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$3.49
We started tracking this price on Nov 10. The chart takes shape over the days: we only draw prices we observed.
| Store | Stone's Store |
|---|---|
| Positive feedback (AliExpress) | 98% |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Sold | 727 |
| Recorded readings | 1 |
| First seen | |
| Last reading |
Also sold by 4 other stores
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| Stone's Store · Ships from US | $2.21 · 1582 sold |
|---|---|
| Wanzai Store · Ships from US | $2.65 · 848 sold |
| JYJD Module Store · Ships from US | $2.79 · 777 sold |
| JYJD Module Store | $3.15 · 108 sold |