Being old is one thing and listening to other's feedback is other.Anyway he's also trying to get into beggar's group i presume ( Please click on 4dots **bleep** bla) like most replies. :)
Buddy, i know what and how inverter works, im just saying many times i leave my phone plugged in for all night on inverter and now it's almost 2+ year and no battery issue or shock etc.Either OP has issue with electricity in his home or faulty adapte...