These are the best batteries for car audio use, letting you thump harder, longer. Optima Batteries' Redtops are designed to start and run your car, while Bluetops are designed for long draws ...

How long a battery can power a car if the charging system fails. A higher score reduces the risk of failure if accessories are left on. The Optima H6 is part of the Car Batteries test program at ...

You don’t want to wait until the day your car doesn’t start to begin researching replacement car batteries. Eventually ...

How long a battery can power a car if the charging system fails. A higher score reduces the risk of failure if accessories are left on. The Optima Yellow Top 3478DT is part of the Car Batteries ...

Lots of cranking power and great packaging are what buyers of this Optima battery appreciate most. It even comes with a ...