Having your battery draining fast is very frustrating? FixMyMac is always ready to help. There are several signals that show when you should replace your battery.
Why should you replace your battery? Because a faulty or bloated battery might cause overheating issue and increase the chances of damaging other components, also it will compress them which might cause deformation.
To view your battery’s condition, choose Apple menu > About this Mac > System Report, then click Power in the sidebar, you will see the cycle count and the condition of your battery.