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 ...
Like Apple’s, Dell’s patent application centers around making reverse charging laptops. Of course, there are some big differences between Apple’s original patent design and Dell’s.
This model presents the best overall value and can provide slightly faster charging than the entry-level (20W) options Apple has designated for "fast charging" of recent iPhones. For a budget ...
Apple is releasing a new MagSafe charger for the iPhone 16 series. The wireless charging rate can go as high as 25W. The new MagSafe charger is Qi2 certified, but it appears the charging rate may ...