People around the world buy a lot of batteries. In fact, Fortune Business Insights estimates $37 billion worth of consumer batteries will be sold worldwide by the year 2029. The battery market started ...

According to its creators, not only can the ZeroHour XD tactical flashlight blast 1,000 lumens of light into the evening darkness for up to six hours, it can charge an iPhone seven times (though it ...

ION is a small yet rugged pocket flashlight constructed from Aluminium or Titanium and is equipped with a built-in ternary battery and is capable of producing a 650 lumen output, and features seven ...

Stuck with a dead flashlight and no D batteries? Discover the $7 hack that converts your kitchen drawer's AA batteries into a ...