For years now, we’ve been promised exciting new battery technologies that claim to dramatically boost battery life, and none of them ever seem to materialize. But a new Apple patent application describes a simple way to achieve a worthwhile increase in battery life with nothing more high-tech than a metal housing.
The invention is a little ironic, as it solves a problem Apple originally created back in 2015 with the batteries in the 12-inch MacBook, before subsequently adopting the same tech in the rest of the MacBook lineup …
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