AUTOMATIC BATTERIES ARE NOT PROTECTED! Because of this juice can enter into your battery. Automatic batteries should NOT be used with Dripping, only Cartridges or Cartomizers.
The Joye 510 MEGA battery extends the life of your 510 by at least an hour. It is a 280mah batt and is slightly longer than the normal 510 batt.
MEGA MANUAL/AUTOMATIC BATTERY: 280mah
*** Manual Batteries have a push button that you press and inhale to take as long of a drag as you like. The Automatic Batteries activate on inhale through a sensor and have a 8 second drag cut off point.