Apparently many USB charger units—you've probably got at least one that came free with a gizmo: I've got three—won't work to charge the iPhone. That's ...

The Anker 511 GAN Nano 3 is basically the size of Apple’s original USB-A A1385 5-watt charger but can supply up to 30-watts over USB-C, and it features folding prongs so it won’t poke things ...

Two simple USB inventions provide an easy way to test USB cables and chargers, ensuring they are functioning properly. The first invention uses a small plastic ball and a USB female connector to ...

The USB interface is being increasingly used as a power supply and charging port for all kinds of devices, besides data transfer. A meter to measure the electrical parameters of devices connected t… ...

The charger’s electronics consist of a small 5-V/500-mA solar panel (SP1) linked to a Li-ion battery charger circuit built around the dedicated Li+ charge controller chip MAX1555 (IC1). The rest of ...

The charger is compatible with a wide range of devices, such as the latest MacBook Pro and MacBook Air, iPad Pro, Dell XPS 13 ...

Although it might seem simple, upgrading your USB charging station is a great way to reduce wires going everywhere, and you’ll never have to look for an outlet again.

Satechi has a new wireless charger that joins the exclusive club of charging pads that actually support USB-C instead of Micro USB or a proprietary plug. It also has wireless fast charging, which ...

This is the circuit of a simple 12 volt battery charger for Lead Acid battery. It gives 12 volt and 5 Amps current for quick charging of the battery. If. ... Power your devices through universal USB-C ...

The Bi-Plug. Stupid name (sounds like a sex toy) but a great and simple idea. The little one ounce adapter slides into a power outlet and provides a powered USB port. That’s it, but with the ...

The Micro Auto Charger will only set you back $15, but you can upgrade to the iPhone/iPod cable package for $20. Belkin’s Dual Auto Charger adds a 500 mA USB port, but it’s a bit bulkier and ...