The GEL model range offers best deep cycle durability and overall longer life. The use of high purity materials and lead calcium grids ensure that for both AGM and GEL products have particularly low self-discharge so that they will not go flat during long periods without charge
VRLA is the English abbreviation for Valve Regulated Lead Acid, meaning that the battery cells are valve-controlled, and gas resulting from overcharging or a cell fault can escape through a safety valve. VRLA batteries have excellent leak resistance and can be used in any position. They are completely maintenance free.