should i charge my phone 100% ? or should i keep it 80%??

[Rj10]

What is the Right method to charge Phone battery for longer battery life??

Some says phone should plugin when battery become 20% 

And descharg whn reach 80%

What is the Right method to charge ??

I am Xperia z5 Compact user.

[Uliwooly]

@Rj10

You can charge the phone at any point, it won't damage the battery.