$89.99 – RIDEN RK6006-C 60V 6A AC to DC Step Down Voltage Bench (Banggood, Aliexpress: RIDEN® RK6006-C 60V 6A 4 digit Adjustable AC to DC Step Down Voltage Bench Power Supply Module Current Regulated (the best price with coupon)).
I have just checked coupons. The lowest price I could get is $89.99 for RIDEN RK6006-C 60V 6A AC to DC Step Down Voltage Bench (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Latest coupon and price update (UTC):
Banggood ($89.99)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. The question is – is it a good price? Hmmm, price is higher than average (which is $88.19 right now), so better set price alert down below…
Link: Banggood product page
Price: $89.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG6fe2eb, BGf85728, BG7916ce, BGAUGUST8, BG3dd746, BGCAPITALOS8, BG8FORMULAMX, BGBFDAY8, BGHONEYSP, BG937b6b, BGESJY8, BGALL8
(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 RIDEN RK6006-C 60V 6A AC to DC Step Down Voltage Bench. The lowest price was: $82.99.
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)).