Weld‑free 21700 Battery Box/18650 Battery Holder Pure Copper High Current Lithium Battery in parallel in series DIY Battery Case
Quick answer
Is $2.40 a good price for Weld‑free 21700 Battery Box/18650 Battery Holder Pure Copper High…?
It is the usual price, not a deal: $2.40 is in line with the typical price of $2.41 that DipScout measured over the last 14 days. It is the lowest in 14 days, but it has held this price since Nov 5, 2026.
$2.40
Today it costs $2.40 on AliExpress. Since Oct 28, 2026, when we started tracking it, it ranged from $2.40 to $2.55. It's the lowest price in 14 days, but it has been at this value since Nov 5, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 14 days. The store advertises "was $2.53", 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
Last reading$2.40on Nov 7
Lowest$2.40Nov 5 to Nov 7
Highest$2.55Oct 28 to Nov 2
Tracked since Oct 28 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 5, 17:10 UTC | $2.40 | −0.4% |
| Nov 2, 21:14 UTC | $2.41 | −5% |
| Oct 28, 08:42 UTC | $2.55 | start |
| Store | Heltec Energy Repair Tool Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Sold | 96 |
| Recorded readings | 3 |
| First seen | |
| Last reading |