135.23 USD – that is current price with coupon for Power Supply (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest coupon code price check (UTC time):
Banggood (135.23 USD)
Banggood warehouse is located in China. Is it a low price? Let’s see… Average price for this item is 138.64 USD and current one is 135.23 USD, so it’s a good price! Well, there is one coupon available right now.
Link: Banggood product page
Price without coupon: 146.99 USD
Coupon (135.23 USD): BGHONEYSP
(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): BGe245a9
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Click here… to search for NICE-POWER R-SPS3020 DC Power Supply 0-30V 0-20A on Aliexpress
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.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).