An AGM battery should not affect radio operation, so check connections and perform a hard reset. A "miracle" car spray promising six months without washing is unlikely to work on heavy dirt. A faulty ...

The definition of a car battery has taken on new meaning thanks to the onset of electric vehicles, but in traditional internal combustion vehicles, you’ll still find a good ol’ 12-volt brick sitting ...

An AGM battery, or absorbent glass mat battery, is essentially a more advanced version of a lead-acid battery. There are differences between AGM and standard lead-acid batteries, one of which being ...