How to Save Charge Long Time in android (simple tips)

Hello Trickbd Community,

iam noyon
Today i Give to know How to save charge long time in android.
First Trun Off Phone.Seconly Open battery,Sim,memory and Click Power batton without Battery 3-9 second.again after sometime click without battery.and insert battery and connect on charger untill full charge.i hope done.Thank U.