What does this mean? The international or global variant might or might not feature the same battery as the one powering the device we’ve recently seen leaked in pictures and a video. However, if it will, it will be powered by a 2,600mAh battery. According to the image above, the battery inside the GT-I9502 is one of 9.88Wh (watt-hour). Thanks to a neat formula (mAh = Wh x 1000 / V or milliamp-hour = ...