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Hello, My mid 2015 MacBook Pro has the bloated battery, Will it function on power mains after I have removed the battery? Thank you so much

While the system will work without a battery, it will be running in safe mode as the sensors within the battery won’t be communicating to the SMC logic so the system will be running slow. It won’t we very useful in this state. Even if you try using it in this state if you bang the MagSafe cable causing it to disconnect the system won’t have a battery to fill in the power loss so any files open can become corrupted! Best to get the needed battery MacBook Pro 15" Retina (Mid 2015) Battery And here’s the guide to swap out your bad battery MacBook Pro 15" Retina Display Mid 2015 Battery Replacement. If the blistering is bad you really want to work outside on a non-flammable surface and take the needed safety precautions. Wear a long sleeve cotton shirt and leather gloves and have a CO2 fire extinguisher handy too!