Ego, electronic cigarette, tank cartridges, starter kit, big vapor, 650mAh, 900mAh, 1100mAh EGO-TComponents:Battery:2pcsAtomizing:2pcs ... : 118mm Diameter:14 mm each cartridge :300 puffs Battery capacity: 650 mAh,900mAh, 1100mAhbattery good for 900 puffs Battery life: more ...