My hubby still uses Ego batteries for precisely that reason. He said puffing on one of those was like... well we won't go into that but it was an off color comment for sure.From the Big Baby Beast to the Goons to ???? Geez these things are like sucking on a thick Sharpie!! Im glad to see some tanks/RTAs giving the option for a standard 510 but....some dont. Instant turn off. What say you?