Darina :
                
        
                
                    
                       Well quite a long...about 7 years.So guess is normal...It charged in full for 2 hours.
                    
                 
             
         
yeah it's worn out.
I dont know if you ever had a phone with a replaceable abttery , but after you changed that, it cahrges faster+ longer battery with the same usage.
If you're a bit techy/nerdy you can try to replace it