... 60 minutes for single LED, 30 minutes for 3 LEDs. Dynamo Charger YSF-J003Features: 1) The strong power locomotive shaking flashlight, great ... , long last time, competitive price. 3 ultra bright LED in head. Special switch, one of three LED light up when press ... , comfortable handle make the flashlight becomes more and more popular with people.3) Good charge effect: 1 minute shaking time can ...