Hello, m1 battery (1930mah) seems not charging. Red LED blinks, ph remains on untill charger plugged in, but switches off when remove charger. Sometimes it gets charge upto 70-80% and works ok than. I checked thru websites and found this is common problem with m1 batteries. and solution is replacement of battery. Problem is I leave in India and I can not get here. Checked online on xiaomi website but there is no stock of same. Can some one help me getting this in India. It will be a great help.