Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Essager 30W USB Car Charger | 4.39 USD | – |
 |
Essager USB Type-C Charger 30W | 8.83 USD | Paste $1/6 coupon “ESSAGER04171” in the cart |
More on Aliexpress… Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (15.03 USD): BG00c906
(CouponsFromChina.com tip: you should apply the coupon in your 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): Cuponation9
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Essager 30W USB PD QC3.0 SCP Car Charger.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).