Lead acid batteries or SLAs (Sealed Lead Acid) batteries help us throughout our everyday lives, from cars, boats & golf trolleys. So making sure they are fully charged for that important event is crucial. The Voltcraft range of high power lead acid battery chargers run from 10A – 40A and cover both 12V and 24V batteries. The low power lead acid battery chargers cover 6V / 12V SLAs.