Battery life is very important to my HTC HD2. Does Android on HTC HD2 use up lot of battery than Windows Mobile? This is the question that I would like to find out. CurrentWidget is one of the tools that can help me keep track the electric current usage. It is an Android widget that shows how much current (milliamperes) the device is using from the battery or receiving from the charger. And also log the value to csv file for further study…