Aliexpress
Click here… to search for BlitzWolf BW-S11 Charger With BW-TC17 3A Type-C to Type-C Cable on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (14.13 USD): BG20CHARGER
Coupon (15.89 USD): BGAFF10OFF
Coupon (15.89 USD): BgcLuBofErtA10
Coupon (16.66 USD): 13f142
(CouponsFromChina.com tip: apply it 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): 12blitzw, BGs11tc17, BGss10%bw, AFfbG10, bgsbw11, BGPLTC17S, BGpltc17s, BGbws11tc, BGVDay10%off, bGhOnEy10, BGXMI15, BgoFErTaSchInA10
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for BlitzWolf BW-S11 Charger With BW-TC17 3A Type-C to Type-C Cable.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).