How do i charge my battery on aspire 5741g

[Samana]

My laptop's battery doesn't charge more than 70%. How do I charge it to 100%?

 

[WR2]

Hello Samana;

How old is your battery?
As batteries age they are no longer able to hold the same charge they managed when new.

 

[Samana_94]

Mine battery is 1.5 years old............
But now it charges only upto 60%