Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Wanptek WPS3010H DC Power Supply 30V 10A | 56.01 USD | Paste “05CD03 or CDPU03 or FRCD03 or CDES03 or CDEW03 or AE3ZNAFEU or USAFF3” (may not work) + $2 auto discount in cart |
More on Aliexpress… Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (73.74 USD): BANGGOODSD
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGWanptek30v, Tools3, BGNewpart, bGhOnEy10, BGEES11, BGeLt15, BGWANPTEK, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Do you need price history chart (for all/most countries) for Wanptek 30V 10A Adjustable Power Supply? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).