Mre bhi same issue tha GR ka . Main ne 3 batteries change krwaen 1 saal k andar. Then jaa k pta chala k Rectifier ka issue hai. Isi trah kisi heavy bike k electrician se rabta hwa us ne kafi acha guide kiya. Suzuki ka recifier by default compatible nai hai bike se wo overcharge krta hi krta hai. beshak wo new hi kyun naa ho. Is lye main ne BILAL GUNJ Lahore se 2nd hand Japanese made rectifier install krwaya. Uski life lifetime hai. us ne mri kharab battery ko bhi sahi kr diya hai. Price just Rs. 2500/-