1PCS/LOT B0505S 1W 2W 3W B0303S B1205S B2405S B1212S A1212 regulated power supply module Isolating Switching Power B0505S-1W
$1.87
Today it costs $1.87 on AliExpress. Since Oct 23, 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 $2.80", 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
$1.87
We started tracking this price on Oct 23. The chart takes shape over the days: we only draw prices we observed.
| Store | FXI Electronics Co., Ltd. Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Passive Components |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/23/2026, 8:06:41 PM UTC |
Also sold by 3 other stores
Same title and category on AliExpress. Each store has its own price and history.
| FXI Electronics Co., Ltd. Store · Ships from US | $1.87 · 80 sold |
|---|---|
| HJXRHGAL FXI Electronics Co., Ltd Store · Ships from US | $1.95 · 91 sold |
| HJXRHGAL FXI Electronics Co., Ltd Store | $1.95 · 86 sold |