<p>Stiiizy Biiig is the second version of the Stiiizy vaporizer featuring a larger battery capacity and performs much better than the original version. Stiiizy Biiig is larger than the first version, though it still fits nicely in the palm. &nbsp;This battery also has an improved magnetic connection and Airflow path. Stiiizy Biiig has an upgraded 550mAh battery that produces 3.4V and can be charged via micro-USB port. The battery sold without the cartridge.</p>