... and no fire hazard.Kit contains: Ce4/CE4+2pcsego battery2pcswall charger adapter1pcUSB charger adapter1pcuse manuals1pcgift box/ego case box1pcSpecification modleart battery seriesBattery capacity ... cycle,3.7-4.2V,5 click on/off styleCE4/CE4+1.6ml,700 puffsCe4 colorclear,black,red ,green, purple,yellow ... to tell me any time!! OEM is welcome! art battery ego cigarette