The NicStick Ego Gift Set offers either a 650 mAh or 900mAh batteries, making them our most powerful E-cigs (compared to Sirius deluxe or Classic Starter Kits). The Ego battery can last anywhere from 24-48 hours on one charge! The Ego Clear Gift Set uses our new Ego Clear atomizer, called a clearomizer, the leak-proof, refillable combo cartridge-atomizer with improved vapor and flavor production. The NicStick Ego Clear Gift Set includes (2) two 300 time recharge batteries, 2 refillable Tank Ego Clear atomizers, 1 10ml bottle of NicStick Eliquid, 1 large carrying case, 1 car charger, 1 wall adaptor, and 1 USB Charger. Warranty: 6 months for batteries, 2 weeks for each Clearomizer. For a detailed warranty information, please visit our 'Shipping & warranty" page.