Just check coupons out (with price alert and history). What is best price?
Maximum Brightness 2000 lumen, Impact Resistance 1 m, LED XHP35 HI LED, Peak Beam Intensity 250000 cd, Dimensions L-6.99″xW-2.56″xH-2.56″, Weight: 9.01oz, IP Rating IP68 – 2m submersible, Peak Beam Distance 1093 yards
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 4BLF, BGHONEY2110, BGP30i, FIN1878, BG10OFFAFF, BGwhielabel, BGflashlight, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGtorch2, BGtorch3, BGAlerabat15, BGtorch7
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for NITECORE P30i XHP35 HI Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).