... , China (Mainland) Brand Name: prosmoker Model Number: Ego-T CE4 battery Material: lithium battery Diameter: 14mm Puffs per full cartridge: 600 puffs ... Battery capacity: 650-1300mah Working voltage: 3.3-4.2V Charging ... Resistance: 2.4/2.8ohm Battery life: more than 300 times Color:pink,blue,green,black,silver,white,red,yellow http://www ...