... in approximately 3 hours without orvercharging your batteryProduct features1.Car charger, Compatible with iPhone 4 ,iphone3G ,iphone ,classic ... to 75mm, adjust to any size of phones5.USB car charger (5V,1A),Quick speed & high efficiency charging6.Come ... your cellphone in holder steadily Key wordsFor iPad/iPhone Car Charger 1A and 1AaaInput voltageDC12-24VoutputDC 5V/1000mah--2000mahefficiency≥ ...