Sealey electronic charger starters 1224v sealey ecs300 this electronic charger starter from sealey is a fully electronic microprocessor controlled battery startercharger designed to meet the requirements of modern battery technology suitable for agmgel lead acid and lead calcium as well as stopstart batteries found on electric and hybrid vehicles features up to 10 analysis and charge phases and suitable for 12v and 24v electrical systems instant visual check of battery condition ch