Q: Can I use my 12-volt power pack, via the cigarette lighter socket, to supply power while I change batteries? If the lighter socket is key activated, can I turn on the key while I change the battery ...

Laptop batteries have a lot of myths surrounding them that people are not sure whether they are legitimate or not. These myths have affected how people use their devices and have caused confusion on ...

Q: Should the battery be disconnected if a car is not used in the winter? In this case, it would be about five months. Does disconnecting the battery mess with the computer? Will I have a problem when ...

A small number of Tesla Model 3s and Model Ys from the 2023 model year may have received a bad pyrotechnic battery disconnect, which could lead to an increased risk of fire under certain circumstances ...

Q: What is the proper method for storing a newer car for the winter, about six months? I have a 2019 Lincoln Nautilus. I’ve heard disconnecting the battery isn’t necessarily a good technique with ...

Big stereos, computer-controlled engines and transmissions, electric airbag control boxes, even digital gauges and clocks-sound familiar? The latest crop of high-tech rods now employ cutting-edge ...

We continue coverage of an issue where some PowerBook G4 Double-Layer SuperDrive models have apparently shipped with faulty battery units. As reported yesterday, in some cases, the batteries fail ...

Before disconnecting the battery cables on cars with alarms or theft-deterrent radios, know the manufacturer’s code. You’ll need it to restart the system, says “The Complete Idiot’s Guide to ...

QUESTION: Can I use my 12 volt power pack, via the cigarette-lighter socket, to supply power while I change batteries? If the lighter socket is key-activated, can I turn on the key while I change the ...