Pick up a spare DaVinci IQ battery so you are ready to vape anytime, anywhere. This rechargeable 18650 lithium-ion battery offers 3500mAh of power, which provides 50 - 80 minutes of use per full charge. It can be placed inside of the DaVinci IQ vaporizer to recharge or on its own via an external charger. It only takes a few seconds to swap a dead battery for a fully charged one.