Battery in my Mac in heating and battery is dropping fast
Battery in my MacBook Air-1 is heating and battery is dropping very fast ...
MacBook Air 13″, macOS 11.4
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What is the year/model of your Mac?
How many cycles in the battery? Determine battery cycle count for Mac notebooks - Apple Support
You better take it in to an Apple Store or Authorized for a proper check (and service, if needed).
More on batteries
Get help with your Mac notebook battery - Apple Support
About battery health management in Mac notebooks - Apple Support