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.

If you visit or call an automotive parts store or a professional car mechanic to inquire about getting the terminal ends of your car's battery cables replaced, they're going to ask a lot of questions ...