It’s not a sale, it’s a steal: $16.99 (Banggood). Updated: 14-12-2025.
XY-UDP Digital USB DC Converter CC CV 0.6-30V 5V 9V 12V 24V 2A 15W Power Module Desktop Adjustable Regulated Power Supply
Banggood warehouse: China.
Price: $16.99
Additional Banggood coupons:
1. First page
2. Second page
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for XY-UDP Digital USB DC Converter is here. The lowest price was: $9.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).