The Pilot battery is a variable voltage battery that pairs great with any 510 threaded oil cartridge or wax atomizer. Due to the three variable voltage settings, the Pilot can handle all viscosities of oil and works great even in cold temperatures. This battery has a preheat setting that allows for larger clouds with thick oils as well as thin oils. The small, sleek design is discreet and fits easily into a bag or pocket for easy access. The Pilot comes with a 510 threaded USB charger for quick charging on-the-go. This battery is for the connoisseur of vaping.