Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Astrolux S41 Nichia 219C Flashlight (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (22.85 USD): BGAST25
Coupon (24.38 USD): AC18
Coupon (24.38 USD): m4x2020
Coupon (24.38 USD): BGASTROLUX
Coupon (27.42 USD): CFCBG
(CouponsFromChina.com tip: you should apply the coupon 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): ASWH, BGLF1, cmb1, BGS41, FLSTNE, F7BG, BGBFCR40, AXMAS, 0e7f33
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Astrolux S41 Nichia 219C Flashlight (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Astrolux S41 XP-G3 Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).