$135.99 – NICE-POWER R-SPS3020 Regulated DC Power Supply 0-30V 0-20A High-Power Output 600W with Smart Temperature Control Overload Protection Compact Portable Digital Calibration Technology for Reliable Performance – EU Plug.
When I was updating this page, then coupon price was $135.99 for NICE-POWER R-SPS3020 DC Power Supply 0-30V 0-20A (in Banggood). Check coupons or create price alert down below. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($135.99)
Banggood warehouse is located in China. Coupons for NICE-POWER R-SPS3020 DC Power Supply 0-30V 0-20A? Nope, there’re no coupons in Banggood. The question is – is it a good price? Cool, average is $138.64, so current price is lower!
Link: Banggood product page
Price: $135.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGe245a9, BGSPRING8OFF, BGHONEYSP, BGESJY8, BGALL8
(these codes were not working in latest coupon update, 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
Price history (for all/most countries) for NICE-POWER R-SPS3020 DC Power Supply 0-30V 0-20A is here. The lowest price was: $132.29.
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)).