Their after service is bad

Their after service is bad. Had a starter and battery problem with my bike,took in the bike and it was due for a service,I was charged for a service but the bike still has the same problem and they telling me it’s cause of a phone charger where the charger is something recent they didn’t bother to test the starter/battery and wanted to just get rid of the driver,but they were persist about payment and they just told my driver it will be fine as they charged the battery. They did not help me at all as I thought they would and honestly I would never buy or recommend anyone to go there so that they can get that kind of service. The sales person was good but after that everything went south