Aliexpress
Click here… to search for BlitzWolf BW-FWC3 5W Wireless Charger on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Coupon (12.59 USD): AFfbG10
(CouponsFromChina.com tip: apply code in your basket (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): 46FWC3, S20BW, 8FWC3, BGFWC3, 12blitzw, 2019SPEDM
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for BlitzWolf BW-FWC3 5W Wireless Charger is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).