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 ...

How well a battery withstands repeated charge ... or Cold Crank Amperage. The Optima 8073-167 D51R Yellow Top is part of the Car Batteries test program at Consumer Reports. In our lab tests ...

Measuring 10" by 6-7/8" by 7-13/16", this battery weighs 43.5 lbs and boasts dual SAE and GM posts. If you need different terminal types, make sure to check out the rest of Optima's YellowTop lineup.