... /900mAh/1100mAh battery capacity 2)Penstyle ego w(f1) 3)No leakage,no burn smell 4)rugged ... like a pen. 1.The advantage of ego w(f1) electronic cigarette: 1) vapor stable larger ,no burning ... clean,more convenient to carry. 2.ego w(f1) specifications Model ego wStarter Kit component 2 pcs ... ego-t, elips and all kinds of accessories like atomizer, battery, charger. Welcome to inquiry,welcome to ask ...