Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (73.04 USD): BGTORCH
Coupon (74.70 USD): CFCBG
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): d1f1c4, 2017FNL, FLSTNE
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for Klarus G35 XHP35 HI D4 Flashlight.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).