Dual purpose starter and services batteryThanks to SpiralCell Technology� OPTIMA� combines the advantages of a starter battery to a services batteryperformance. In addition to supply power for longer the battery OPTIMA� is also able to withstand a higher numberof deep discharges and recharges faster than other technologies. So you can count on a reliable and longestrunning of your accessories for many years. This makes OPTIMA� the best investment. The low self-discharge rateis OPTIMA� batteries the ideal choice for vehicles of seasonal use. In periods of stationing the batteries OPTIMA�retain a significantly higher amount of power than conventional batteries (the battery still has to be fully chargedbefore a period of stationing). The internal components made of pure lead to 99.99% allow OPTIMA� batteriesof withstanding a significantly higher number of cycles of charge and discharge and to continue to provide ahigh percentage of the total capacity. OPTIMA� batteries are ideal for vehicles with multiple accessories electricsystems that remain on even when the engine is off.