Have you ever wondered if the big charger that powers your laptop can also fill up your phone’s battery? USB-C and Power ...

First, let’s clear the air: Optimate is not Optima. The former is a European-engineered brand of battery chargers; the latter is a maker of those red-and-yellow AGM batteries you’ve probably seen in ...

This unit features a backlit LCD display that shows charging status, voltage, current, temperature, and mode selection. With seven automatic charging stages, it intelligently adjusts to protect and ...

Promotion Nikon Coolpix Battery Kastar EN-EL10 Battery & Charger Kit For Nikon Coolpix Cameras - Also Fits Fuji, Casio, ...

Just because your battery is flat, or a little low on power, doesn't mean you need to immediately dash out and buy a brand new one. The average price of a car battery is soaring these days, thanks in ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Republished on July 31 with new guidance for Android and iPhone ...