Egoed twist 900 multicolor e cigarette battery. colours: multicolored and chrome. power: 900mah. ego type battery. to be screwed on an ego type clearomiser. adjustable voltage: battery equipped with the variable voltage system (twist) which allows the voltage to be adjusted from 3.2v to 4.6v. with graduated markings on the knob located on the base of the battery. autonomy: 3 and a half days. charging time: 2 to 3 hours. weight: 40g. dimensions: length x diameter (cm). 12 x 1.4cm