Boat batteries are the heart of it all. Whether used to power accessories or simply to start an engine, not too much happens aboard most powerboats without a battery. In today’s marketplace, boat ...

Many car batteries look and perform much like those Consumer Reports tested 10 years ago. But a newer type of lead-acid battery called absorbed glass-mat, or AGM, is gaining ground in new cars and as ...

Automotive technology has advanced at ludicrous speed, yet modern automobiles still use battery technology that originated in the early 1900s. We should clarify we’re not referring to the battery ...