Home & Decor › Home improvement
9V 12V 24V 36V to 6V 4A-10A DC-DC Buck Power Converter Step Down Power Supply Waterproof 12V 24V to 6V 12 Volt to 6 Volt
Quick answer
Is $3.94 a good price for 9V 12V 24V 36V to 6V 4A-10A DC-DC Buck Power Converter Step Down…?
No: $3.94 only undoes a recent increase. On Nov 1, 2026 it cost $4.12, then on Nov 1, 2026 it rose to $4.48.
$3.94
Today it costs $3.94 on AliExpress. Since Oct 26, 2026, when we started tracking it, it ranged from $3.81 to $4.48. Price checked on Nov 13, 2026, 17:11 UTC.
Heads up: this price went up before it went down. On Nov 1 it was $4.12; on Nov 1 it rose to $4.48. Today it is $3.94, less than 5% below what it cost before the increase.
Drop detected on .
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$3.94since Nov 12
Lowest$3.81Nov 11 to Nov 12
Highest$4.48Nov 1 to Nov 4
Tracked since Oct 26 · 7 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 12, 16:11 UTC | $3.94 | +3% |
| Nov 11, 16:09 UTC | $3.81 | −3% |
| Nov 7, 15:02 UTC | $3.94 | +3% |
| Nov 6, 10:02 UTC | $3.81 | −5% |
| Nov 4, 02:03 UTC | $4.03 | −10% |
| Nov 1, 18:53 UTC | $4.48 | +9% |
| Nov 1, 12:58 UTC | $4.12 | −8% |
| Oct 26, 18:51 UTC | $4.48 | start |
| Store | Shop911934595 Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Home Improvement › Electrical Equipment & Supplies |
| Sold | 65 |
| Recorded readings | 8 |
| First seen | |
| Last reading |