It's a known behaviour that MacBooks throttle when the battery is removed or it doesn't recognize the battery. However, considering that you calibrated the battery, it looks like the MacBook recognizes the battery. The first thing you should probably try is [link|https://support.apple.com/en-gb/102605|resetting the SMC|new_window=true].
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It's a known behaviour that MacBooks throttle when the battery is removed or it doesn't recognize the battery (see this [link|https://web.archive.org/web/20081225111200/http://support.apple.com:80/kb/HT2332|Apple doc dating back to 2008|new_window=true]). However, considering that you calibrated the battery, it looks like the MacBook recognizes the battery. The first thing you should probably try is [link|https://support.apple.com/en-gb/102605|resetting the SMC|new_window=true].
Hi Jadon,
It's a known behaviour that MacBooks throttle when the battery is removed or it doesn't recognize the battery. However, considering that you calibrated the battery, it looks like the MacBook recognizes the battery. The first thing you should probably try is [link|https://support.apple.com/en-gb/102605|resetting the SMC|new_window=true].