An curved arrow pointing right. Researchers at the University of Washington have created a cell phone that uses so little power, it never needs to charge and doesn't have a battery. Instead, it ...

Redmi is reportedly prepping a 7,500 mAh battery for its next budget phone. The tech is already out there, and it doesn't take a toll on the charging pace.

Xiaomi is reportedly working on one of the largest batteries we've ever seen for the next generation of Redmi phones.

We've seen phones with some big batteries in recent times, but it sounds like a major player could up the ante in a massive ...

In general, modern cell phone batteries have a limited life span that lasts over a certain amount of charging cycles. The standards for how long batteries last are fluid and rely on the charging ...

But rechargeable lithium-ion batteries found in cell phones, e-bikes, hoverboards and electric cars are different. While a dead battery is relatively harmless, a battery with some charge has the ...