Is it Windows or the battery?

my laptop has an 8 year old battery. my battery didn't charge and i froze it after freezing it, my battery charged again and lasted for 3 hour of normal use and like 2.5 hour of video and sound use. But, when I execute a command in CMD. and the command is like this: powercfg /BATTERYREPORT powercfg /SLEEPSTUDY then I checked its cycle but, when I checked it, it shows that there's 0 cycle and when I charge, my full charge capacity was like up and down! right now in most of the times, my battery charges at only 92% and charges rarely at 100% when in use! i'm so surprised! here are all the HTML (

Question by user1218141 on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.