Output 3.6-5V~3A 5-9V~2A 9-12V~1.5A, Certification CE, HUAWEI FCP, Size 43X 27 X 39 mm / 1.69 X 1.06 X 1.53inch, Weight 100g±10g, RoHS, Input AC 100-240V~50/60Hz 0.5A, BC1.2, Fast Charging Compatible with Qualcomm QC2.0, DOE 6, Model BW-S9, QC3.0, Total Power Rated 18W (24W Max), FCC, Samsung AFC, Apple, Color Black.
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 12blitzw, BGss10%bw, BG3CSUM, AFfbG10
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for BlitzWolf BW-S9 18W Charger + BW-TC14 3A Type-C Cable 0.91m is here. The lowest price was: $10.79.
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)).