... LED torch, mobile phone charger for iphone,Multi-function torch,charger NameHand crank dynamo torch charger, iphone charger MaterialABSSize152*40MM Packing 1pc torch ... light up, loosen it. This moment , which will show battery status :4LEd light , all light up , it's saturation ... conditions.3LED light, show battery voltage is normal .2LEd light, show voltage is a little ...