Borrowing from Apple’s MagSafe, Qi2 enables faster, more efficient magnetic wireless charging.
It's ironic, but we here at WIRED have long been fans of wireless charging . Not having to fumble with cables is nice! Most wireless charging devices these days follow the Qi standard, which has taken its time reaching ubiquity. The Wireless Power Consortium, which manages the charging protocol, announced the next-generation version called Qi2 in early 2023, and we're finally starting to see devices supporting it.
Greater efficiency: Wireless charging relies on electromagnetic coils. One or more induction coils in the charging base create a magnetic field and transmit energy. A smaller coil in your phone or other device harvests it. The coils must be aligned for energy to flow between them and the magnets in the new Magnetic Power Profile ensure perfect alignment so less power is lost. When coils are misaligned, energy is often lost as heat, which is also not good for battery health.
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