Hamilton Devices has entered the variable voltage battery game with a device called the Shiv. The Shiv is made from a hefty durable alloy and is equipped with a one of a kind deploy and retract mechanism that allows users to adjust cartridge height with the flip of a switch. The Shiv's voltage can be adjusted by .1 increments and is designed to offer vapers not only the ultimate hit but also the ultimate control over their vaping.
