The world’s largest smartphone battery lasts up to 15 days on a single charge
There's lots of interesting research – involving things like mushrooms,aluminium, and hydrogen – looking to find the next generation of energy technology that will replace our current lithium-ion batteries, but what if you don't want to wait for the future to arrive? Well, how about we just insert a mega-big-ass battery into your next phone and see how that goes? That's the exact thinking behind the new K10000 smartphone from Chinese tech company Oukitel. This model crams in a gigantic 10,000 mAh (milliampere-hour) battery that's billed to last between 10 and 15 days
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