The price on AliExpress may have moved since our latest reading, 4 Nov. Purchase happens on AliExpress, under their terms — we never handle payment, and we earn a commission at no extra cost to you.
2 OF 7 READINGSHome & Garden
2.5V 3V 3.7V 4.2V 5V to 3.3V Low Noise Regulated Charge Pump Step-Down & Step-Up Boost Buck DC-DC Converter
What our readings say: 2 of the 7 reading-days a verdict needs, and none in the last 7 days.
Seller lists it at $3.25 — a claimed saving of $0.06. AliExpress does not verify that figure, and 23.2% of the listings we track make a claim in the same under 30% range, so on its own it means very little.
What we recorded for this product
Prices recorded by PriceProven over time. The listing shows its current price; this section shows the dated observations we have stored.
- Price on 4 November 2026
- $3.19
- Lowest we recorded
- $3.19
- Highest we recorded
- $3.20
- Average of our readings
- $3.19
- Days of our own readings
- 2
- Price readings taken
- 2
- Tracking since
- 1 October 2026
- Seller claims it was
- $3.25 (−2%)
See what we have recorded across every listing we track
A verdict needs 7 separate days of our own readings. This product has 2, so 5 more days are needed before we will call the seller’s discount anything at all.
ShippingQuoted at AliExpress checkout
Buyer protectionHandled by AliExpress
ReturnsPer seller policy
Eletechsup 11-years Dropshipping Store
Seller on AliExpress
About this product
We have 2 readings of this listing’s price since 1 October 2026, from $3.19 to $3.20. Full specifications are on the AliExpress product page.
Comparable products we track
5 products in Home & Garden close enough to compare on price — 2 are cheaper than this one.

DC-DC USB Step UP/DOWN Power Supply Module Adjustable Boost Buck Converter 5V 3.3V 9V 12V 24V

DC-DC 5V to 3.5V / 12V USB Step UP / Down Power Supply Module Adjustable Boost Buck Converter Out DC 1.2V-24V

LM2596S DC-DC LM2577S Step Up Down Boost Buck Voltage Power Converter Module Non-isolated Constant Current Board For arduino
How this compares to everything else we track
We show 53,624 products, one per title, in Home & Garden. At $3.19, it sits below the middle of that category, which is $11.11 — a range covering very different kinds of product, so read it as placing the price, not judging it.
The seller claims 2% off. That is modest for this catalogue, where 35,081 products (23.2%) sit in the same under 30% band and most of the rest claim far more. A small claim is at least a plausible one. Either way AliExpress does not check strike-through prices, which is why we record our own instead of repeating theirs.
AliExpress reports 12 orders for it. For comparison, the median listing we track in Home & Garden reports 24 — though a category holds very different kinds of thing, so read that as scale rather than as a ranking. Order counts come from AliExpress and are not a claim about price.
We have recorded this product’s price on 2 separate days since 2026-10-01, and it has moved 1 time in that window. This history was recorded over time, not reconstructed after the fact — the longer we track a listing, the stronger the evidence becomes.
If you buy through our link, AliExpress pays us 7.0% of the sale. It costs you nothing extra, and we publish the rate so you can judge our incentive for yourself.
Cheaper in this category, and selling well
All between $1.59 and $3.19, with at least 100 reported orders.
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