SOS (26650 Battery), Model: PT26, Voltage Input: 2.75v ~ 4.5v, Material: Aluminium Alloy, Lumens: 3850LM, Mid, Color: Black, Strobe, 115LM, Total Emitters: 9, 1350LM, Switch Location: Head of the Flashlight, Impact Resistant 1.5m, Battery Configurations: 1x 26650 Li-ion Battery (include) / 1x 18650 Li-ion Battery, Peak Beam Intensity: 21483cd, Max Output: 3850LM, 437LM, Weight: 349g (include 26650 battery), 22h, Light color: Cool white, /, Runtime: 3h, Mode: Turbo, Emitter Type: XP-G2 S4, 6.3h, Low, Waterproof: IPX8 Waterproof, Switch Type: Clicky, Size: 125.4mmx 53mmx 34mm (LengthxHead diameterxBody diameter), Range: 292m, 28LM, 1350LM (26650 Battery), /, High, 156h.
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($202.85): BG10OFFAFF1
coupon code has to be applied in shop’s 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/i1u
Old coupons (from the oldest to the newest): BGTORCH, BGBFCR41, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGFLS15, 4BLF, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGflashlight
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Mecarmy PT26 Flashlight With Battery is here. The lowest price was: $161.01.
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)).