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 (67.41 USD): BGAlerabatI
Coupon (68.94 USD): BGtorch2
(CouponsFromChina.com tip: this code has to be applied 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): BGflashlight, BG10OFFAFF1, BANGGOODSD, BGTorch4, BGASTB, BGAlerabat15, BGtorch7
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Astrolux EA01S XHP50.2 Flashlight With 4500mAh Battery is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).