[jobsr]

Usually I charge my battery at night. Then use it all day.
My battery have 30-40% left on next day evening.
But on yesterday evening, I transfer data from PC to my phone via USB cable.
It takes around 10-15 minute.
I don't know how many battery left before connect but It should have 30-40% as usual.
but affter I disconect my phone. I notice that my battery is 95%.
I'm so surprise that my phone has charged so quickly.
Today my phone is black out when my battery has 40% left.
I though my phone is broken or somthing, don't think about battery at all.
I try everything. then I try to charge battery... It's working Yea!!! my phone still alive.
I don't know what's happen to my phone. I guess that the battery indicator is wrong.
Right now it seem ok. I'm not sure the problem come from download app or android it self.
So I uninstall the last few app I installed (lightflow and smart wifi toggler) and see that
problem is happen again or not.

Will my battery decline because of ran out complete?

[Greg C]

Your battery will not suffer because you drained it. Battery life will decline though if you continue to let it drain all the way.

[mattatwar1]

Your battery will not suffer because you drained it. Battery life will decline though if you continue to let it drain all the way.

To maximize battery life and charge cycles keep the charge level between 20-80%.
from xda:

Sent from my Nexus 4 using Android Central Forums