Is this genuine? This Samsung 21700 40t was bought on eBay. Not sure if it's real and it's marked with 'Not for vape' on it. If it's genuine, is it safe to
Samsung 40T 21700 4000mAh Battery (40T3)
Genuine Samsung 40T 21700 4000mAh 30A Lithium ion Battery
SAMSUNG 40T 21700 4000mAh Battery - Central Vapors