OPzS series battery is a flooded lead acid battery that adopts Tubular Plate technology, which means it can offer high reliability and performance. OPzS lead acid batteries are designed and manufactured according to DIN40736-2/IEC60896-11 standards, with die-casting positive spine and patent formula of active material. By exceeding DIN40736-2/IEC60896-11 standard values with more than 20 years floating design life at 25℃, OPzS flooded lead-acid batteries are even more suitable for cyclic use(solar/wind energy, traction etc.) under extreme operating conditions. Our company is a professional OPzS battery manufacturer and provides high performance OPzS series batteries; they need free maintenance and have long lifespan.