It is only Flashlight Tube. the package is without any battery. and it is only used for Manker E14. Because some guy would have not 18350 battery at home.and most guys like 18650 battery. If you buy high capacity 18650 battery to run Manker E14, the runtime should be longer than 18350. so Manker have produce one 18650 Tube for Manker E14.