ACDelco makes a respected line of professional automotive and marine deep cycle batteries. Batteries, by nature, lose their charge whether they are in storage on a shelf or in use. Even if your have purchased a new ACDelco battery, you may need to charge it to bring it up to 100 percent.
You can charge an ACDelco battery easily. It may take up to 24 hours for the battery to fully charge, depending on the size of the battery and the output of your battery charger.
Set your ACDelco battery down on a battery tray on a level surface.