I have a Kensington PowerBolt Micro Car Charger that supplies 2.1 Amps for iPad and it also works with iPod OK (the iPod draws less amps I assume). I need a charger in the car to supply enough power to use with HTC Desire with Google Navigator. Would it be safe to use with my HTC Desire in the car if I changed the USB-iPod lead for the USB-microUSB lead. Will the Desire only take as many amps as it wants or will I fry it!