Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
9V/ 1.7A, Silver, Output Power: 5V/ 2A, Material: PC+ Silicone, Red, Color: Black, Suitable Size: 4.0-6.5 inches, Total Power: 10W Max., Product Size: 112*105*105mm
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($29.43): BG9a4d5b
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG2105, TTxBG10, 2019SPEDM, BG3CSUM, BGBSCH13, bgssaff9, AFfbG10, 15holders, BGBASE123, 0e7f33, FBCOUPON1
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Baseus 10W Qi Wireless Car Charger is here.
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)).