5pcs/1pc XL3429 MP3429 DC Boost Power Supply Module 21A 2.7V-13V to 3V-16V Step Up Lithium Battery Booster Single Chip Microcom
$2.57
Today it costs $2.57 on AliExpress. Since Oct 24, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 3 days. The store advertises "was $3.57", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$2.57steady
The price hasn't changed once since Oct 24, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | Your Cee |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/24/2026 |
| Last reading | 10/24/2026, 7:00:05 PM UTC |