USB charger for mobile phone

Many modern mobile phones, smartphones, PDAs can be charged from the computer’s USB port (cable is included). But, for example, Nokia smartphones have a separate connector for charging, therefore, cannot be charged in this way. For those who have a laptop, this is a big minus, because they will not be able to charge their phone on a trip. But this is fixable. Do what manufacturers of these phones have not thought of! Build your USB Charger!