1Set For 18650/21700 Lithium Battery Solder Joint Grinding Polishing Tools Kit High-Efficiency Grinding Tools Grinding Sleeve
Quick answer
Is $3.99 a good price for 1Set For 18650/21700 Lithium Battery Solder Joint Grinding Polishing…?
No: $3.99 only undoes a recent increase. On Nov 6, 2026 it cost $4.09, then on Nov 7, 2026 it rose to $5.05.
$3.99
Today it costs $3.99 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $3.99 to $5.15. Price checked on Nov 12, 2026, 07:57 UTC.
Heads up: this price went up before it went down. On Nov 6 it was $4.09; on Nov 7 it rose to $5.05. Today it is $3.99, less than 5% below what it cost before the increase.
Drop detected on .
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$3.99lowest ever seen
Lowest$3.99since Nov 11
Highest$5.15Nov 2 to Nov 4
Tracked since Oct 22 · 9 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 11, 19:57 UTC | $3.99 | −21% |
| Nov 7, 05:08 UTC | $5.05 | +23% |
| Nov 6, 05:08 UTC | $4.09 | −19% |
| Nov 4, 20:04 UTC | $5.05 | +22% |
| Nov 4, 06:08 UTC | $4.15 | −19% |
| Nov 2, 20:24 UTC | $5.15 | +3% |
| Oct 30, 20:30 UTC | $4.99 | −3% |
| Oct 28, 08:41 UTC | $5.15 | +0.6% |
| Oct 23, 20:12 UTC | $5.12 | −0.6% |
| Oct 22, 20:36 UTC | $5.15 | start |
| Store | Stone's Store |
|---|---|
| Positive feedback (AliExpress) | 98% |
| AliExpress category | Tools › Abrasive Tools & Abrasives |
| Sold | 602 |
| Recorded readings | 10 |
| First seen | |
| Last reading |
Also sold by 11 other stores
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| TOPLY Store · Ships from US | $2.99 · 575 sold |
|---|---|
| Piuae Store · Ships from US | $2.99 · 11 sold |
| TOPLY Store | $2.99 · 580 sold |
| Piuae Store | $2.99 · 11 sold |
| for LOHAS Store | $3.39 · 6 sold |
| for LOHAS Store · Ships from US | $3.39 · 6 sold |
| Shop1105459003 Store · Ships from US | $3.49 · 24 sold |
| Shop1105459003 Store | $3.49 · 24 sold |