OPzS Flooded Tubular Battery

Traditional OPzS flooded tubular batteries with 20+ year life. Transparent containers, 2000+ deep cycles, DIN compliant. Telecom, solar, utility grade.

20+ Year Design Life2000+ Cycles at 80% DoDTubular Positive PlateTransparent ContainerDIN40736-1 CompliantSpecial Acid Fog Filter

OPzS-200 | 2V 200Ah Flooded Tubular

2V200Ah16 kg

2V 200Ah OPzS flooded tubular battery with transparent container for visual electrolyte monitoring.

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OPzS-420 | 2V 420Ah Flooded Tubular

2V420Ah30 kg

2V 420Ah OPzS flooded tubular battery for medium telecom and solar installations.

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OPzS-600 | 2V 600Ah Flooded Tubular

2V600Ah42 kg

2V 600Ah OPzS flooded tubular battery for large telecom stations and solar energy storage systems.

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OPzS-800 | 2V 800Ah Flooded Tubular

2V800Ah55 kg

2V 800Ah OPzS flooded tubular battery — large capacity for power plants, national grid substations, and critical infrastructure.

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How We Make OPzS Batteries

Watch our factory production process for OPzS Flooded Tubular Battery

Lead Plate Pasting Process

Container Loading & Shipping

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About OPzS Flooded Tubular Battery

Naradex OPzS series flooded tubular lead acid batteries with transparent containers and 20+ year design life. Traditional tubular positive plate technology provides excellent deep cycle life (2000+ cycles at 80% DoD) and superior recovery performance. DIN40736-1 compliant.

All Naradex batteries use VRLA (Valve-Regulated Lead-Acid) technology with sealed, maintenance-free construction. For a detailed comparison of battery chemistries, see ourAGM vs lead acid guide or theSLA vs AGM vs Gel comparison. Need help sizing your battery bank? Use our UPS battery backup calculator.

OPzS flooded batteries deliver maximum cycle life with lowest cost per cycle, ideal for utility substations with dedicated maintenance. For a maintenance-free alternative, consider our OPzV tubular gel batteries. Read our AGM vs flooded battery engineering comparison for detailed technical analysis. Visit our OPzS battery manufacturer page for factory capabilities.

OPzS Guides & Resources

AGM vs Flooded Battery ComparisonEngineering comparison for industrial use VRLA Battery Technology GuideCompare VRLA and flooded types VRLA Battery MaintenanceMaintenance best practices OPzS Battery ManufacturerFlooded tubular battery factory 2V Battery ManufacturerAll 2V battery chemistries OPzV Tubular Gel BatteriesMaintenance-free gel alternative

OPzS FAQ

What is the difference between OPzV and OPzS batteries?

OPzV uses gel electrolyte (sealed, maintenance-free) while OPzS uses flooded liquid electrolyte (requires periodic water topping). OPzS offers slightly better deep cycle performance (2000+ vs 1500+ cycles at 80% DoD) and lower cost, but requires maintenance access. OPzV is preferred for unattended remote sites; OPzS for manned installations where maintenance is feasible.

Why do OPzS batteries have transparent containers?

Transparent containers allow visual monitoring of electrolyte levels and plate condition without opening the battery. This simplifies maintenance — operators can quickly check if water topping is needed and visually inspect for any internal anomalies.

What maintenance is required for OPzS batteries?

OPzS batteries require periodic distilled water topping (typically every 6-12 months depending on temperature and usage), terminal cleaning, and electrolyte specific gravity checks. The transparent container makes electrolyte level monitoring easy. Proper maintenance ensures the full 20+ year design life.

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