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 Battery Information: Cirrus, FOB, and eVod Product lines How can I boost my battery life? How do I clean my batteries? CIRRUS RECHARGEABLE USER MANUAL: Cirrus FOB FAQ Button Activated Cirrus 3X Battery eVod Product line Details 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?