Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi WPB25ZM 30W Wireless Charger 10000mAh Power Bank | 55.89 USD | $2 auto discount in cart |
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (25.99 USD): BG23bc18
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BG589b2e, BGCAPITALOS8, BGCOUPERT8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi 30W Wireless Car Charger W03ZM.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).