The Rolling Square Supertiny is the perfect 'just in case' charger
By Ben Lovejoy
Published on March 24, 2026.
The Rolling Square Supertiny is a portable power brick for the Apple M1 Max 16-inch MacBook Pro, which offers an excellent battery life compared to Intel's predecessors. The lightweight GaN power brick can deliver 65W of power but is only 1.7×1.37× 1.3-inches (US version) and weighs just 2.5 ounces. While its 65W capacity doesn't match the 140W of Apple's official power brick, it has powered the machine even during 4K video editing. The only downside was that it occasionally got warm when used for several hours, but never caused any concern. The device costs $49.99 and is available in US, European and UK versions.
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