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5/10pcs DC-DC Buck Converter Step Power Supply Module 5V-30V To 3.3V 5V 9V 12V 3A Voltage Regulator for Car Motorcycle Battery
Quick answer
Is $2.28 a good price for 5/10pcs DC-DC Buck Converter Step Power Supply Module 5V-30V To 3.3V…?
Yes: at $2.28 it is 15% below the typical price of $2.68 that DipScout measured over the last 14 days, a real drop. Tracked since Oct 23, 2026, it ranged from $2.28 to $3.07.
$2.28
Today it costs $2.28 on AliExpress. Since Oct 23, 2026, when we started tracking it, it ranged from $2.28 to $3.07. It is 15% below the typical price of $2.68 that we measured: a real drop.
You save $0.40 · was $2.68
Drop detected on . Price last re-checked on .
Drop confirmed by our price history: we tracked the price over the last 14 days and the typical price (time-weighted median) was $2.68.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$2.28↓ 15% below typical
Lowest$2.28since Nov 11
Highest$3.07Oct 23 to Nov 1
typical price: median of the last 14 daysTracked since Oct 23 · 5 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 11, 17:15 UTC | $2.28 | −3% |
| Nov 7, 10:07 UTC | $2.36 | +4% |
| Nov 5, 10:09 UTC | $2.28 | −15% |
| Nov 3, 12:39 UTC | $2.68 | −5% |
| Nov 1, 17:09 UTC | $2.82 | −8% |
| Oct 23, 08:02 UTC | $3.07 | start |
| Store | EXinko Electronics Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 6 |
| First seen | |
| Last reading |