SF SonicTM offers enhanced flooded battery (EFB) range that deliver superior reliability and performance for new generation automotive vehicle applications. EFB batteries are ideal for mileage enhancing start-stop technologies and for vehicles with higher-than-normal energy demands, whether that means a tougher drive schedule or multiple accessories and equipment installed. Specially developed material, added to the positive plate surface, makes this possible. In repetitive deep discharge scenarios EFB technology offers improved cyclic durability.