Lithium Battery AC 21V 2A Safe Power Supply Adapter Lithiumion Battery
Quick answer
Is $3.39 a good price for Lithium Battery AC 21V 2A Safe Power Supply Adapter Lithiumion Battery?
It is the usual price, not a deal: $3.39 is in line with the typical price of $3.39 that DipScout measured over the last 4 days. Tracked since Oct 23, 2026, the price hasn't changed.
$3.39
Today it costs $3.39 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 4 days. The store advertises "was $6.77", 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
$3.39
We started tracking this price on Oct 23. The chart takes shape over the days: we only draw prices we observed.
| Store | Computer & Accessories Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Consumer Electronics › Accessories & Parts |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/23/2026, 1:10:25 PM UTC |
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.
| Computer & Accessories Store · Ships from US | $3.39 · 527 sold |
|---|