I’m just a man with a guillotine

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Joined 1 year ago
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Cake day: July 20th, 2023

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  • I can only offer you my experience-based evidence, but three magnetic chargers I’ve used have all made my phone significantly hotter then charging it at the equivalent speed with a cable.

    This has been true across 6 Android devices. Two from Google. Four from Samsung. However, I will also say that because of this trend, I stopped using wireless chargers about a year and a half ago, so it’s quite possible they might have improved since then.


  • Magnetic charging loses some energy in the form of heat on both coils.

    Technologies like MagSafe lessen the severity of energy loss via ensuring the coils allign, however there is still some energy lost in the form of heat.

    This is just a limitation of electromagnetic induction.

    It’s a producer of heat placed right next to the battery.

    This inefficiency also makes it take more energy to charge your battery. However, I would imagine it’s a nominal amount.