Apple’s wearable devices, including the Apple Watch and AirPods, could gain hefty increases in battery life thanks to a new development in battery technology. TDK, a major Japanese firm which has supplied batteries and other components for the iPhone, announced Monday that it has developed a material for a next-gen solid-state battery with far higher energy density than those used previously. In a press release (via CNBC), the company boasts that it has “successfully developed a material for CeraCharge,
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