Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Astrolux S41S XP-G3 6000-7000K Flashlight (-3 USD)
2. China – Astrolux S41S 219C 5000K Flashlight (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (25.56 USD): cbrIDgTec
Coupon (28.75 USD): BG10OFFAFF
(CouponsFromChina.com tip: just apply this code 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): AC18, 6335CK, AC20, BGS41S, ac18, BGBFCR41, BGBFCR40, ECFKL, FMBG, AXMAS, m4x2020, BGASTROLUX, BG14TH31, BGAST25
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Astrolux S41S XP-G3 6000-7000K Flashlight (-3 USD)
2. China – Astrolux S41S 219C 5000K Flashlight (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Astrolux S41S XP-G2 6500K Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).