The UNIBAT SOLAR OPzS battery series consists of 2V open-type lead-acid cells with stationary OPzS-type tubular positive plates, featuring a reinforced construction. They require minimal maintenance, have a transparent container for easy electrolyte level monitoring, and offer excellent load recovery performance after full discharge.

It is designed according to all international standards DIN & IEC, while its performance in extreme operating temperatures and specific cyclic use requirements is impressive:

• 3,350 cycles at 50% Depth of Discharge
• 5,200 cycles at 30% Depth of Discharge

The quality/price ratio makes this series unique for autonomous photovoltaic systems, while its unmatched lifespan places it at the top of SOLAR OPzS options.