Here's a link for you sir-
http://www.e-cigarette-forum.com/forum/vapor4life/289659-tanks-king-diamonds-revisited.html
Didn't take long to reach the 200 recharge on these using only tanks with chain vaping. Went through some batts 6 times in a single day using just tanks. It's not so much they aren't lasting as long, it's the fact it's harder to avoid deep cycling with dc's, and they're being used more often. Hope this helps.
http://www.e-cigarette-forum.com/forum/vapor4life/289659-tanks-king-diamonds-revisited.html
Didn't take long to reach the 200 recharge on these using only tanks with chain vaping. Went through some batts 6 times in a single day using just tanks. It's not so much they aren't lasting as long, it's the fact it's harder to avoid deep cycling with dc's, and they're being used more often. Hope this helps.