Weight 88g, Battery included No, Mode memory Yes, Length 123mm, Required battery type 21700 lithium battery (length not more than 71mm) (battery not included), Lens type Ar-coated glass lens, Reverse polarity protection Yes, Diameter 26.6mm, Driver 12groups / max current output 3000mA / Temperature protection management inside, Required battery quantity 1pcs, LED NICHIA B35AM R9080 high CRI LED, Tail stand Yes, Material Aluminum Alloy, Low voltage warning Yes, Reflector Orange peel.
Basically copy coupon, view price history or create e-mail price alert. 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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($25.99): BGS21ABR
2. ($26.39): BGAlerabatI
3. ($26.99): BGtorch2
you should apply the coupon in your cart 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): BGtorch3, BGAlerabat15, BGtorch7
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Convoy S21A B35AM R9080 Flashlight 4500K 1500lm. The lowest price was: $25.49.
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)).