Price history, coupons and price alert are available on this page. Best price?
Output wattage: 5W, 7W, 10W (max.), Input voltage: 5V / 2A, Material: ABS, Type: wireless charger, 9V / 1.67A, Working frequency: 110 – 205kHz, Transmitting distance: 0 – 8mm
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest price update (UTC time):
Price history and price alert
Here is price history (for all/most countries) for Gocomma Qi 10W QC3.0 Wireless Charger.
Price records source(s): Gearbest
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)).