We are indulged in manufacturing and supplying of car charger in Ahmednagar, Maharashtra, India. Amazing development has been observed in recent years in standardizing the chargers for various devices like smart phone, MP3 players etc. as the matter stands now, you can charge your phone anywhere you like, can use your kindle on any computer and so on due to standard connectors. Know what it is. All car chargers are actually adapter plugs which if fitted into the lighter jack of your car become a powered USB port. There are various configurations based on the voltage and length of the attached cable for charging. It is the most useful device for charging mobile phones, iPad, iPhone, iPod & Smartphone etc. These are also provided with green LED light that glows to indicate continuance of charging. So you are not to be worried about having no charge in your smart phones etc and on the contrary can enjoy listening to music on your MP3 devices while driving. These generally require DC 12-24 Volt inputs and provide DC 5.0-5.5 Volts output.