
DC 12V/15V 50W 4A USP Uninterruptible Power Supply Step-Up Protection Board for 2S/3S Lithium Battery Charging
$4.49
Today it costs $4.49 on AliExpress. Since Oct 24, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for less than a day; confirming a drop takes at least 3 days. The store advertises "was $9.77", 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
$4.49
We started tracking this price on Oct 24. The chart takes shape over the days: we only draw prices we observed.
| Store | Great IT electronic components co., LTD Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/24/2026 |
| Last reading | 10/25/2026, 11:12:17 AM UTC |