Right now the best price with coupon code for WZ5020L DC-DC 50V 20A 1000W Buck Converter is $24.99 (in Banggood). Check coupons or create price alert down below. What is the best price?
Latest coupon and price update (UTC):
WZ5020L DC-DC 50V 20A 1000W Buck Converter CC CV Step-down Power Module Adjustable Voltage Regulated Power Supply
Banggood ($24.99)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. Isn’t it too expensive? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $19.99)
Link: Banggood product page
Price: $24.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG142c6e, BG589b2e
(you can check these old coupons out, but these probably won’t work)
Aliexpress
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
Here is price history (for all/most countries) for WZ5020L DC-DC 50V 20A 1000W Buck Converter.
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)).