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5pcs/1pc XL3429 MP3429 DC Boost Power Supply Module 21A 2.7V-13V to 3V-16V Step Up Lithium Battery Booster Single Chip Microcom
Quick answer
Is $2.43 a good price for 5pcs/1pc XL3429 MP3429 DC Boost Power Supply Module 21A 2.7V-13V to…?
We can't call it a deal. The typical price we observed ($2.57) was for another variant of this listing: the seller's "was" price dropped too, from $3.57 to $3.20. The model shown changed, not the price; we don't claim this discount.
$2.43
Today it costs $2.43 on AliExpress. Since Oct 24, 2026, when we started tracking it, it ranged from $2.43 to $2.71. It's the lowest price in 20 days, but it has been at this value since Nov 8, 2026; by our price history that is already the normal price, not a sale.
The typical price we observed ($2.57) was for another variant of this listing: the seller's "was" price dropped too, from $3.57 to $3.20. The model shown changed, not the price; we don't claim this discount.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$2.43on Nov 9
Lowest$2.43Nov 8 to Nov 9
Highest$2.71Nov 6 to Nov 8
Tracked since Oct 24 · 3 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 8, 18:04 UTC | $2.43 | −10% |
| Nov 6, 09:03 UTC | $2.71 | +4% |
| Nov 1, 18:06 UTC | $2.61 | +2% |
| Oct 24, 19:00 UTC | $2.57 | start |
| Store | Your Cee |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Sold | 58 |
| Recorded readings | 4 |
| First seen | |
| Last reading |