The Bloog® 102 mm electronic cigarette battery is our longest lasting e-cigarette battery and is ideal for getting that second glance. It's available in a variety of colors to coordinate with your outfit. Bloog® 102 mm electronic cigarette batteries should be used in conjunction with Bloog e-cigarette cartomizer tips. This KR808D-1 battery features a blue or red LED end that glows when inhaling. The battery is compatible with all Bloog Maxx Fusion threaded electronic cigarette cartomizers and is also compatible with all Bloog Maxx Fusion e-cigarette charging devices and is fully rechargeable.