In most cases, the iPhone battery performance will diminish with time. Sometimes the cause is overcharging, but other factors can also come into play.
A sure sign your battery is faulty is when you plug your iPhone in to charge the Apple logo loops or your Apple logo fades in and out.
Another is when you have to charge your iPhone every couple of hours to keep it going.
CCRepairz will replace your old battery with a brand new one so your phone will last as long as it did the first day you got it!
Service usually takes about 60 minutes for the replacement.