MacBook power cord with MacBook Pro?

Hi,
I have a MacBook at home, and a MacBook Pro provided by my company for work. Can I use the power cord from my MacBook to charge the Pro??
My understanding is that it will still work, but it will just charge the MBP battery slower. Is that correct?
Thanks,
SS

Can I use the power cord from my MacBook to charge the Pro??
Charge as in only charge the MBP (i.e., closed lid). There won't be enough juice for using and charging consistently at the same time, depending on what you would be doing, which may actually lead to the battery discharging while connected to the smaller power brick.

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