XPL, A17DD-L FET+1 Driver, 3D (5000K), 1A (6500K), 5A(4000K), 1x 18650 battery (not included) (INR18650-30Q 3000mah suggested), 1600lumens (max), IPX-8 waterproof 2 meters.
Basically copy coupon, view price history or create e-mail price alert. What is 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. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 2d8cbc, e2bcea, XMASBG, BGLF1, 502C6B, cmb1, TTxBG10, MayDay10, AC18, aff7off, BG7A6, bgssaff9, BGSM30%, AFfbG10, M4BG, 2019FG, AXMAS, BGSPR, BGASTROLUX, BGTBD, BGUSA6, BGHU978, BGUS1104, BG1128, BGAST25, BG10OFFAFF1, BGdeals123
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 4 another warehouse/versions!
1. China – BLF A6 1A 6500K Flashlight ($-3)
2. China – BLF A6 3D 5000K Flashlight ($-3)
3. Europe – BLF A6 1A 6500K Flashlight [EU] ($-3)
4. Europe – BLF A6 3D 5000K Flashlight [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for BLF A6 5A 4000K Flashlight is here. The lowest price was: $13.99.
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)).