FAQ & VIDEO TUTORIALS E-Cig questions? We have answers! Read all you need to know in our e-cig FAQ pages, or click to watch video tutorials. WATCH TUTORIALS NOW Search FAQS: Search FAQs Rechargeable Cirrus Batteries, FOB Battery and ZFG Battery Information How can I boost my battery life? How do I clean my batteries? CIRRUS RECHARGEABLE USER MANUAL: Cirrus FOB FAQ ZFG Rechargeable FAQ Button Activated Cirrus 3X Battery Do you have a comparison chart for your batteries? How long do the batteries last? What is the size or weight of the battery? What is the difference between the Cirrus and your competitors? Do I need to turn my E-cigarette on and off? Can I leave a battery on the charger overnight?