Sealey automatic battery chargers 12v sealey smc04 this 12v battery charger from sealey is a fully automatic 9 cycle switch mode charger and maintainer designed for charging a variety of batteries it is suitable for sla wet agmgel vrla and lead calcium batteries supplied with multi fit charger cables featuring crocodile clips vehicle accessory socket plug and hard wired terminals incorporating a water tight plug and socket for permanent installation making it great for motorcycles and