Aliexpress
Click here… to search for BlitzWolf BW-S7 5-Ports Wall Charger on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: -3 USD
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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 20%BW, 20bws, Alibuy9173, 502C6B, OZBWS7, S20BW, s7bw54, BGBW3S, bgcabo2, 12blitzw, BGbdfcbws7, BGss10%bw, BG15BWS7, AFfbG10, BGS7BW27, BGs7bw15, BGwbs75
(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 BlitzWolf BW-S7 5-Ports Wall Charger.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).