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  1. Care, Maintenance & Service - Chevy Volt
    Quick Answers: What battery does the Gen 1 (2011-2015), need? AGM BCI Group 47, GENERAL MOTORS OE Part Number: 88864595 How do I replace the battery? See general info below. Pros and Cons of AGM Batteries? Pro: Longevity, Safety. Con: Cost Does the battery have vent/overflow hose connected...