Aliexpress
Click here… to search for Nitecore P18 Flashlight on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (106.74 USD): BGAlerabatI
Coupon (109.16 USD): BGtorch2
(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): linepayflt, BG2434P, BGTBFL, m4x2020, BGTBD, BGflashlight, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGtorch3, BGAlerabat15, BGtorch7
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Nitecore P18 Flashlight? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).