There’s an old laptop power supply providing 19 VDC, a dual-MOSFET board, a potentiometer, and a simple signal generator. The pulses from the signal generator trip the MOSFET, which in turn ...
“The best charger is the one that shipped with your laptop” is old advice that needs updating because there are often superior options available either as your principal laptop ...
In this case, nature is your best resource. And what can be more useful than solar power when it comes to juicing up your devices again? We’ve combed the internet for some of the best laptop solar ...
If you can't go without your larger devices very long, or you're taking your entire family camping where there aren't any outlets to be found, this laptop charger can come to the rescue.