I thought I may have purchased the incorrect amperage for my vape mod, so I contacted customer service & I was assured these should work fine, if I was not requiring constant high power. I vape around 35-45 watts consistently, and these batteries have worked great so far in my Geekvape Aegis. I got a solid 2 days out of them, which was double what I was getting from my older batteries. I'm not a heavy vaper, but am not a light one either. From what I see so far, I would definitely purchase thes...