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 ...

Battery packs have become an integral part of everyday life, powering a growing range of portable electronic devices, cordless power tools, energy storage, and hybrid and electric vehicles.

Always connect auxiliary power to a point on the vehicle that is electrically active all the time. Here's why. The safest and most-reliable point may be the test connector under the left side of the ...

Q: I have seen the jump-starting method of attaching the negative cable to a grounded metal car part recommended by you and many other experts. I have tried this method numerous times but have never ...

I have disconnected and reconnected my battery terminals several times over the years. While I am careful not to get the wires crossed or touch each other, I have never thought about what order I do ...