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300W XL4016 DC-DC Max 9A Step Down Buck Converter 5-40V To 1.2-35V Adjustable Power Supply Module LED Driver
Quick answer
Is $3.33 a good price for 300W XL4016 DC-DC Max 9A Step Down Buck Converter 5-40V To 1.2-35V…?
No: $3.33 only undoes a recent increase. On Oct 25, 2026 it cost $3.49, then on Oct 28, 2026 it rose to $3.52.
$3.33
Today it costs $3.33 on AliExpress. Since Oct 25, 2026, when we started tracking it, it ranged from $3.25 to $3.52.
Heads up: this price went up before it went down. On Oct 25 it was $3.49; on Oct 28 it rose to $3.52. Today it is $3.33, less than 5% below what it cost before the increase.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$3.33on Nov 9
Lowest$3.25on Nov 1
Highest$3.52Oct 28 to Nov 1
Tracked since Oct 25 · 4 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 8, 18:05 UTC | $3.33 | −5% |
| Nov 1, 12:18 UTC | $3.49 | +7% |
| Nov 1, 06:56 UTC | $3.25 | −8% |
| Oct 28, 06:56 UTC | $3.52 | +0.9% |
| Oct 25, 12:17 UTC | $3.49 | start |
| Store | Realpoy Electronic Components Wholesale Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Sold | 633 |
| Recorded readings | 5 |
| First seen | |
| Last reading |