Electronics › Chargers, cables & accessories
5S 18V 21V 20A Battery Charging Protection Board Lithium Battery Pack Protection Circuit Board BMS Module For Electric Tools
Quick answer
Is $2.49 a good price for 5S 18V 21V 20A Battery Charging Protection Board Lithium Battery…?
Too early to tell: DipScout has tracked this price for 2 days, and comparing it with a typical price takes at least 7 days. Tracked since Nov 3, 2026, it ranged from $2.48 to $2.49.
$2.49
Today it costs $2.49 on AliExpress. Since Nov 3, 2026, when we started tracking it, it ranged from $2.48 to $2.49. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 2 days; confirming a drop takes at least 7 days. The store advertises "was $2.50", 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$2.49highest ever seen
Lowest$2.48Nov 3 to Nov 4
Highest$2.49since Nov 4
Tracked since Nov 3 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 4, 23:13 UTC | $2.49 | +0.4% |
| Nov 3, 20:20 UTC | $2.48 | start |
| Store | Shop5006273 Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Consumer Electronics › Accessories & Parts |
| Recorded readings | 2 |
| First seen | |
| Last reading |