Apple has started offering free battery replacements for 2016 and 2017 MacBook Pros with batteries that won’t charge past 1%.

According to Apple, “a very small number” of 2016 and 2017 MacBook Pros won’t charge above 1%. When looking in Systems Preferences > Battery > Battery Health, the status will show “Service Recommended.” If the status reads “Normal,” the machine is not affected.

Users with impacted models should contact Apple to arrange for a free replacement.

In the meantime, Apple has issued an update to macOS Big Sur and Catalina to prevent the problem from occurring with unaffected 2016 and 2017 MacBook Pros.