Emitter Use single LH351D LED, Flashlight body 6061 grade aluminum alloy, Battery Operation Single 14500 battery or single Alkaline or Nimh AA battery, Lens Toughened mineral glass lens, CNC manufactured to Military Grade hard-anodized., Size 88x 20mm, Working voltage 0.9V-4.2V.
Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
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. ($13.99): BGSF
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): EYBG, BGBSPX, BGSP10S, BGTORCH, 502C6B, BGBFCR41, fInbG2020, BGff2020
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Sofirn SP10S 90 CRI LH351D Flashlight Black ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Sofirn SP10S 90 CRI LH351D Flashlight Blue? There we go. The lowest price was: $11.19.
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)).