While primarily a hardware heat monitor, HWMonitor provides excellent battery data under the "Power" tab.
See how much capacity has been lost over time. Discharge Graphs: Identify apps that drain power quickly. battery checker software download
The health of your laptop or mobile device depends entirely on its battery. While operating systems provide basic percentage icons, they often hide the critical data needed to predict a crash or a failure. While primarily a hardware heat monitor, HWMonitor provides
Never leave your laptop in a hot car; heat causes permanent chemical damage. The health of your laptop or mobile device
The gold standard for Mac users. It shows the health of your MacBook battery and can even check the battery status of an iPhone or iPad connected via USB.
Keeping your battery between 20% and 80% can double its lifespan.
This is a comprehensive system monitor that sits in your menu bar. It provides highly accurate time-remaining estimates based on your current workflow. How to Check Battery Health Without Software