$16.99 – XY-UDP Digital USB DC Converter (Banggood, Aliexpress: XY-UDP Digital USB DC Converter CC CV 0.6-30V 5V 9V 12V 24V 2A 15W Power Module Desktop Adjustable Regulated Power Supply (the best price with coupon)).
When I was updating this page the price was $16.99 for XY-UDP Digital USB DC Converter (in Banggood). Check coupons or create price alert down below. Do you want to know what the best price is?
Latest coupon and price update (UTC):
Banggood ($16.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Low/high price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $11.99)
Link: Banggood product page
Price: $16.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG589b2e, BG3aa3e2
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for XY-UDP Digital USB DC Converter. 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)).