Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Max Output: XHP50.2: 3500 lumen, Switch: Electronic side switch, Color: Black / Blue / Grey, Size: “21700 version: 116mmx 41mm (Lengthx Head diameter)
26350 version: 81.5mmx 41mm (Lengthx Head diameter)”, Waterproof: IPX7 Waterproof, Intensity: XHP50.2: 68000CD, Battery Configurations: 1x 26650 /1x 26350 /1x 21700 or 1×18650 Li-ion Battery (21700 included), Emitter Type: XHP50 LED, Range: XHP50.2: 521 Meters, Color Temperature: 6500K, Charging: Integrated charger via USB-C, Product name: Astrolux® EA01 TIR Ultra-Throw EDC Flashlight, Model: EA01, Material: Aerospace-grade aluminum alloy, Brand: Astrolux, Weight: 120g(26350 version) /160g(26650 version) [without battery], Firmware: Andúril UI, Driver: FET+1 driver.
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. ($57.63): BGTorch4
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGflashlight, BG10OFFAFF1, BANGGOODSD
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Astrolux EA01 XHP50.2 Flashlight with 4500mAh 21700 Battery is here.
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)).