The TAB OPzV valve-regulated lead-acid (VRLA) stationary battery series combines the benefits of recombination gel technology with the advantages of tubular positive plates. Engineered for exceptional cycling performance, high reliability, and virtually zero maintenance (no water refilling required), this series provides a long design life of up to 20 years. Built according to EN/IEC standards, TAB OPzV cells are the ideal energy storage solution for standby applications, solar energy systems, and telecommunications.