changsha kaide Technology Co.ltd products include 18650 ,26650 /18500 /18350 /18490 /16340 /10440 batteries /cable tie end cap.We have CE,ROHS CERTIFICATES and our trademark was registered worldwidewe are professional and legal company to engage in vape industry,our batteries are famous for super qualityhigh drain,high discharge ratecan bring you amazing vaping experience.