Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The Optima H6 is part of the Car Batteries test program at Consumer Reports. In our lab tests ...

Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The Optima Yellow Top 3478DT is part of the Car Batteries test program at Consumer Reports.

Another feature is reserve capacity, which is how long a battery can run if any parts of your car’s charging system fails. Check Price Optima is one of the most well-known brands within the ...