Delco-Remy R59 Energizer Delco-Remy began installing the one-piece, hard-top cover Energizer battery in the 2+2 and the GTO in 1966. The R59 Energizer was completely redesigned on the inside.

Whatever the case, you should know that ACDelco car batteries are competitive with most other brands in terms of their warranties. The length of the brand's warranty will, however, vary depending ...

And yes, in the early days of ACDelco, the brand was part of the GM family. That didn't change when Durant added Albert Champion's AC Spark Plugs to the company's list of holdings around 1908.