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This concept Android phone is slim and lasts nearly a week per charge
How'd Realme cram a 15,000mAh beast into a phone this skinny?
One of these devices features a huge 15,000mAh battery, which is claimed to allow users to watch 25 movies or play games for 30 hours on a single charge. The company squeezed a monster battery into a chassis that's just 8.89mm thick, making the typical tough phone look ancient by comparison. The cooling system is a three-part combo: a huge vapor chamber soaks up the heat, a tiny fan spins to dissipate it, and a thermoelectric cooler gives it that final chill push.
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