$89.99 – RD6018 or RD6018W.
I am monitoring price for RIDEN RD6018 RD6018W USB WiFi DC to DC Power Supply and it is for $89.99 now (in Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest coupon code price check (UTC time):
Banggood ($89.99)
Banggood warehouse is located in China. I have no active coupons for you right now. Is it good price? From what I can see this price is higher than average price ($62.49).
Link: Banggood product page
Price: $89.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG6918W, BG6018, BG6318W, BGRUMB15, BG73RD18, BG67RD, BGSTUDENT10, BGCuponation10, BG0646, BG16RD18, BG6018RD, 7bcdf9, BGab95d4, BGVNRD01, BGbabe19, 13f142, BGab91d4, BG7894ce, BG00c906, Terence, BG1efeb0, BGPL18MAJA0, 8wEbgaInS5, BGPL19MAJA0, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, BG2c7a74, BGc52e1d, 9OFFSUMMER, Cuponation9, BGCOUPERT8, BGCAPITALOS8, BGESJY8, BGALL8
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
RD RD6018 RD6018W USB WiFi DC-DC Voltage Step Down Power Supply Module Buck Converter Voltmeter 60V 18A VS RIDEN RD6006 RD6012 | $87.33 | – |
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 RIDEN RD6018 RD6018W USB WiFi DC to DC Power Supply. The lowest price was: $59.99.
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)).