430lm, Battery Quantity: 1x 18650 / 2x CR123 (not included), Waterproof Standard: IPX-8 Standard Waterproof (Underwater 2m).
Check coupons or create price alert down below. Let’s see what best price is ATM.
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):
Price history and price alert
Do you need price history chart (for all/most countries) for Nitecore P15 Flashlight? There we go. The lowest price was: $21.11.
Price records source(s): Gearbest
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)).