Electronics › Phone replacement parts

7.4V 4200mAh Lithium Smart Door Lock Battery for YC04A YC04C YC04B YC04E
Quick answer
Is $11.80 a good price for 7.4V 4200mAh Lithium Smart Door Lock Battery for YC04A YC04C YC04B…?
It is the usual price, not a deal: $11.80 is in line with the typical price of $11.80 that DipScout measured over the last 14 days. Tracked since Oct 23, 2026, the price hasn't changed.
$11.80
Today it costs $11.80 on AliExpress. Since Oct 23, 2026, when we started tracking it, the price hasn't changed. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 14 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$11.80on Nov 7
The price hasn't changed once since Oct 23, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | Jinsuli Factory Store Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Phones & Telecommunications › Mobile Phone Parts |
| Sold | 19 |
| Recorded readings | 1 |
| First seen | |
| Last reading |
Also sold by 1 other store
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| Jinsuli Factory Store Store | $11.80 · 20 sold |
|---|