Freemax Onnix 2 15W Kit is a 15W compact pod system with a 2ml pod and smart battery with automatic resistance recognition for high-strength MTL vaping needs. The kit has a 900mAh internal battery for whole-day vaping with 2A Type-C fast charging within 60 minutes. The Freemax ONNIX 2 15W Pod Vape System, featuring an integrated 900mAh battery, 7-15W output range, and holds up to 2mL of eJuice within the pod. As far as coil life goes, the 0.5ohm coil lasted for 7 refills (24.5ml) before it tasted off and required changing. The 1.0ohm coil did a little worse at 5 refills (17.5ml). It really is a Plug and Play pod. Operation of the Onnix 2 is carried out using a sequence of clicks of the firing button as follows: Fire button pressed 5 times turns the device on or off. Fire button pressed 3 times will switch between Draw Activation or Fire Button control.