The project makes the USB port a convenient source of power for devices such as battery charger for a pair of AA Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) cells. The USB standard specifies ...

There are few worse feelings than getting ready to play a new game and finding your wireless controllers are filled with dead batteries. This is a problem easily avoided by making sure your junk ...

The above circuit can be useful to detect if the load of any battery charger or plug-in adapter supply is not properly connected. The load can be a set of batteries to be charged or any other type of ...

More versatile than the previous model, the Bluetti Charger 2 helps supply power more quickly to portable power stations ...

Tech pros break down three smartphone user mistakes that can damage battery and shorten your device's lifespan. Read more at ...

The intent of this review is to take a look at the Shorai LFX charger, which is intended as a custom solution offered by the manufacturer. Whether or not Shorai designs and manufactures the charger or ...

For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...