Check the power adapter Open the battery compartment and clean it Update the Batteries-related drivers on your laptop Run Power Troubleshooter Run the Power Efficiency Diagnostic Report Tool.
When a Li-ion battery is charged or discharged, heat is generated from the electrodes and internal reactions in the cell 1. The TAM III isothermal calorimeter (TA Instruments), pictured below, ...
If your Surface Pro 9's battery drain seems excessive and is accompanied by signs such as rapid battery drain, overheating, swelling, or failure to charge, it may indicate a hardware issue. In such ...