... , 30 minutes for 3 LEDs. Dynamo Charger YSF-J003Features: 1) The strong power locomotive shaking flashlight, great used in outdoors, travel ... , it is the fist selection in emergency.2) This flashlight owns the advantages of no battery,environmentally friendly, save energy ... third time. Portable, nice style, comfortable handle make the flashlight becomes more and more popular with people.3) Good charge ...