Minimum quantity for "Power-Sonic P55D23RMF 12v 60Ah 500cca Calcium Battery" is 1.
All POWER-SONIC Maintenance Free Batteries feature lead calcium expanded grids (lead calcium technology) for improved resistance to corrosion, gassing, and water usage, self-discharge and thermal runaway, all of which limit battery life in conventional lead acid batteries. This high performance POWER-SONIC Automotive range of cranking/starting batteries feature: