1.High quality,low cost 2.High working reliability 3,LED flashlight,hand charger 4.Smooth and quiet operation 5High accuracy DC current generator with wdbs Applicant: 1)hand operated charger,emergency power box,hand operated torch,cellphone charger, Electric toys , Electric tools ,etc.. 2) function:Mountain climbing and hiking, camping such outdoor sports; Blackouts, earthquake, flood, etc, to ...