I have been using my SB for 5 days and have blown 2 attys already!A regular 510 and a HV 4.5 ohm 510.vaping at 6 volts using tenergy rcr123 3 volt batteries.I keep it wet and try not to hold the button down for more than 4 seconds.How are so many people sayin they have no atty issues and last a long time on this unit!?