Megabattery tech that charges in seconds, lasts a week and is the size of a fingernail. Oh dang.

The famous last words of literally (not literally) every smartphone user at one point or another are “Oh cool I’ve got 40% battery left, it’ll be fine.”
Pretty much everyone has been there. Roughly 18 months to 2 years into owning a once shiny new smartphone, the signs begin to emerge. The early battery-related fatigue that, before you know it, has turned into a fully-blown terminal decline and old Mobly is off to see out his days at the mobile hospice. A mobile phone 40%