Just check coupons out (with price alert and history). What is best price?
Battery Type Lithium-ion rechargeable, Battery capacity 5000mAh, solid blue is fully charged, Output USB-C (5V/2.4A), Indicator Dynamic red is charging, Series Angel Eyes (© RovyVon Corp), Dimensions 108.4mm (Length)x 30.5mm (Diameter)x 37.5mm (Height), Side LED 3 * XP-G3, Material Aluminum alloy;, Input Micro USB-C (5V/3A), Weight 224.7g, Front LED 4 * XP-G3
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($142.87): BANGGOODSD
apply it 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): BGRV, BGflashlight, BG10OFFAFF1
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for ROVYVON Angel Eyes E700S XP-G3 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)).