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Apple iPhone Air battery life deemed 'incredible' thanks to missing SIM card slot.
The iPhone Air is the thinnest handset that Apple has ever made, and buyers may have second thoughts about its battery life for a good reason. Apple, however, has found a novel way to increase the iPhone Air battery life.
The centralized iPhone Air component placement, says Apple, freed up space for a "high-density battery," likely referring to the silicon carbon electrode technology that Chinese phone makers started implementing in the last two years. In phones like the foldable Oppo Find N5, for instance, the technology increased the energy density of the cells by adding a record 6% silicon to fit a huge 5,600 mAh battery in one of the thinnest handsets out there. According to Tim Cook, the move to an eSIM-only iPhone Air allowed Apple to fill every nook and cranny left below the components in the camera plateau with battery cells, down to the space where the SIM card slot would've otherwise been.
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