2013 hottest selling Kangertech original protank mini in stockWhat's been updated for Kanger Mini Protank 2:1: Stronger base2: Glass can be replace3: Coils are work with Protank-1 and Mini-protank4: Glue-free5: You can change the drip tip, fit all 510 drip tipsMini Protank-2 Clearomizer (glass and iron made) heating coil is replaceableCapacity: 1.5ml,Size: Length 65mm x Diameter 10.6mmSuitable voltage: 3.2-3.7V