Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

While the average person would use a standard charger to top off their phone, [Tom Stanton] is no average man. Instead, he put mind to matter with an entire pendulum battery system. Using the ...

Is your phone, tablet, or laptop typically in the battery red zone before the end of the day? These portable chargers and power banks give you the most boost when you're out of juice. I’m one of PCMag ...

We earn commissions from purchases you make using links in our articles. Learn more. A jump starter can pay for itself the first time that you use it, without waiting around for a tow truck. Between ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

Abstract: A high-fidelity battery model capable of accurately predicting battery performance is required for proper design and operation of battery-powered systems. However, the existing battery ...

Abstract: This article investigates the application of inductive power transfer (IPT) based converters as capacitor chargers for dc circuit breakers (DCCBs) including active injection circuits (AIC).

BURLINGTON — Are you a 5th-12th grader (or the parent of a 5th-12th grader) who likes to make things to solve problems? Do coding, car construction, electrical circuit building, bridge design or soft ...