Aliexpress
Click here… to search for Lumintop FWAA 3x Nichia 219C Flashlight on 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 (35.45 USD): FIN6148
Coupon (36.99 USD): BGFWAA
Coupon (45.06 USD): BGAlerabat15
Coupon (47.71 USD): BGtorch2
(CouponsFromChina.com tip: apply it 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): BGwhielabel, BGflashlight, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGtorch3
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Lumintop FWAA 3x Nichia 219C Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).