Unlock to see our ratings and compare products side by side Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more ...

Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The ACDelco 49 AGM is part of the Car Batteries test program at Consumer Reports. In our lab tests ...

In the battery category, ACDelco markets its Professional Series batteries, which offer reliable cold-cranking power and ...