ACDelco S56220 sealed maintenance-free (SMF) battery, delivering 540 CCA and 62 Ah nominal capacity.

Engineered with lead-calcium expanded grids and full-frame technology for superior corrosion resistance and longer lifecycle.

Features include a built‑in state-of-charge hydrometer, flame-arrester vents, liquid–gas separator, heat-sealed covers, and a rugged polypropylene case for shock and vibration durability. 

Offers up to 12 months shelf life without recharge when properly stored.