Battery problem

[Akash Chandra]

hi, my lumia 520 lasts only 1n half to 2 hours while using just WhatsApp. when idle battery drains at 25 to 35 pc for 6 hours. is this usual or am i having a problem?

 

[Kellzea]

hi, my lumia 520 lasts only 1n half to 2 hours while using just WhatsApp. when idle battery drains at 25 to 35 pc for 6 hours. is this usual or am i having a problem?

that's faulty. Take it back.