LONTOR lead acid battery is a rechargeable battery that uses lead and sulphuric acid to function. The lead is submerged into the sulphuric acid to allow a controlled chemical reaction. This chemical reaction is what causes the battery to produce electricity. Then, this reaction is reversed to recharge the battery This 6V sealed lead acid battery is suitable for a wide range of general purpose and industrial applications such as energy storage, alarm systems, emergency power and emergency lighting.