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DC 400W 15A Step-up Boost Converter Constant Current Power Supply LED Driver 8.5-50V to 10-60V Voltage Charger Step Up Module
Quick answer
Is $3.49 a good price for DC 400W 15A Step-up Boost Converter Constant Current Power Supply…?
Yes: at $3.49 it is 15% below the typical price of $4.12 that DipScout measured over the last 12 days, a real drop. Tracked since Oct 24, 2026, it ranged from $3.49 to $4.15.
$3.49
Today it costs $3.49 on AliExpress. Since Oct 24, 2026, when we started tracking it, it ranged from $3.49 to $4.15. It is 15% below the typical price of $4.12 that we measured: a real drop.
You save $0.63 · was $4.12
Drop detected on . Price last re-checked on .
Drop confirmed by our price history: we tracked the price over the last 12 days and the typical price (time-weighted median) was $4.12.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$3.49↓ 15% below typical
Lowest$3.49since Nov 5
Highest$4.15Oct 29 to Nov 1
typical price: median of the last 14 daysTracked since Oct 24 · 4 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 5, 15:10 UTC | $3.49 | −0.9% |
| Nov 3, 17:12 UTC | $3.52 | −10% |
| Nov 1, 22:10 UTC | $3.92 | −6% |
| Oct 29, 16:12 UTC | $4.15 | +0.7% |
| Oct 24, 20:19 UTC | $4.12 | start |
| Store | HuiShengDongye Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 5 |
| First seen | |
| Last reading |
Also sold by 2 other stores
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| EQV Official Store | $3.04 · 305 sold |
|---|---|
| Realpoy Module Wholesale Store · Ships from US | $3.05 · 139 sold |