As far as battery technology goes ... Luckily, [Paul] sent in a great tutorial on building a LiPo charger that works over USB. The board [Paul] came up with is incredibly small – just barely ...

It’s difficult to imagine a battery charger that’s easier to ... or just as a really simple way to charge some LiPo cells.

In the first study, a team led by Professor Jong-sung Yu at the DGIST Department of Energy Science and Engineering developed a nitrogen-doped porous carbon material ...

Think about it: over the years, smartphone screens have become sharper, performance has gotten stronger, and cameras have improved dramatically. Yet, when it comes to battery capacity, most ...