Is it recommended to use old Macbook charger with M1?

Question

I got a 16" 2019 MBP and 16" 2021 M1.

I'm mostly thinking of the battery and computer health when asking about safety and recommendation.

The recommended charger is the one that originally came with the machine. — lhf, Feb 20 at 20:18
You can look up how much power each mac can pull. If the wattage of the charger is below that, it will charge slower - if equal or above, it will charge at max speed. Apple chargers are able to detect and supply appropriate charge automatically, no need to be concerned about damage. I think the “yellow” charger question is a separate issue (1 question at a time). support.apple.com/en-us/HT201700 — JBallin, Feb 20 at 23:28
1 and 2 are basically the same question. 3 should be a separate question, with a picture. — JBallin, Feb 20 at 23:41
@JBallin apple.stackexchange.com/questions/437293/… moved the 3rd question here — Esqarrouth, Feb 21 at 3:54
@SolomonUcko: was that a genuine adapter? For years my MBP was running on a 45W charger. — kiler129, Feb 21 at 6:15

JBallin · Accepted Answer · 2022-02-21 06:35:34Z

3

It is safe to charge your M1 with the 96W USB-C charger. Downsides are slower overall charging and no “fast” charging.

Sources

edited Feb 21 at 6:35

answered Feb 20 at 23:40

JBallin

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