LUMINTOP GT4 XHP70.2 Flashlight (Banggood, Aliexpress: Reflector 118 mm inner diameter, 000 lm, Ingress rating Equivalent to IP65, neutral white or cool white, Dimensions 135 mm Ø headx 318 mm length, Flux >25, Battery 8 Button-top unprotected 18650 cells . protected cells not fit., Body Aluminum with Type III hard-coat anodizing, mounted on copper DTP MCPCB, Intensity >469.1 kcd (ANSI throw >1370 m), smooth finish, Texas Avenger V2, Lens Glass with anti-reflective coating, Firmware Tom E’s open-source NarsilM v1.3 adapted by Texas_Ace, Tripod socket Standard 1/4 inch threaded (1/4-20 UNC), aluminum, Button Tactile with back-lit rubber boot, Batteries are not included, Emitter 4* XHP70.2 LED, do not immerse in liquids, Driver 12V, Weight Approximately 2.6 kg without cells (the best price with coupon)).
Just check coupons out (with price alert and history). What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($423.98): BGALL8
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGLMTB, M3423, BG1128, cbrIDgTec, BG10OFFAFF1, BANGGOODSD, 6GSGIT, BGTorch4
(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 LUMINTOP GT4 XHP70.2 Flashlight. The lowest price was: $279.3.
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)).