My blackberry bold won't charge at all help?

[Julie]

My blackberry is supposed to come up a lightning bold in the battery bit up at the top but it's just coming up a charging sign it won't charge at all and I really need my phone can I get answers on how to fix it or is my phone completely broke. Its not my charger because it works on my dads phone helppp!!!

 

[Jordan]

You probably just need a new batter. They do wear out over time.