Buy Exide Inverter Battery Online at Best Price with the best quality at Battery Dukaan. To know Exide Two Wheeler Battery Price contacts us at Battery Dukaan. Exide has come up with a unique Gel technology; another pioneering technology in batteries and is the first of its kind in this category. A valve-regulated lead-acid battery (VRLA battery) utilizes a one-way, pressure-relief valve system and Gelled (immobilized) electrolyte to achieve a recombinant technology. Gelled Electrolyte is formed by addition of silicon dioxide (SiO2) to diluted Sulphuric acid (H2SO4).