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Flooded Tubular OPzS Battery

Flooded Tubular OPzS Battery

OPzS2-1500-Y Product Features: Cycle life: >2200 at 80% DOD Self discharge rate ≤5%/month High charge acceptance performance; Wide operation temperature: -40℃~ 70℃ Good deep discharge recovery performance. Positive plate: tubular type, with die-casting thick Pb-Ca grid, it has very good...

Product Details

OPzS2-1500-Y of Flooded Tubular OPzS Battery

The electrochemical reaction of the valve controlled lead-acid battery is shown as follows. Charging is to recharge the external DC power supply on the battery, so that the power can be converted into chemical energy to store. Discharge is the release of electrical energy from the battery to drive the external device.

When the VRLA battery charge reaches its peak, the charging current is only used to decompose the water in the electrolyte. At this time, the positive electrode generates oxygen, the negative pole generates hydrogen, and the gas will overflow from the battery, resulting in the reduction of electrolyte and the need to add water regularly.

On the other hand, at the end of charging or overcharging, the charging energy is used to decompose water. The oxygen produced by the positive electrode reacts with the sponge like lead of the negative electrode, so that a part of the anode is not in full state, and the negative pole hydrogen is produced.

Process & Factory

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Product Specification of Flooded Tubular OPzS Battery








Brand Name




Dry WeightWet WeightWarranty

275 x 210 x 851mm

H83.5kg113.5kg1-2 years

Compliant Standards

1. IEC60254- 2005/ DIN/ EN 60254-2/ GB 7403-2008
2. Passed ISO9001, ISO14001, OHSAS18001, UL, CE certificate

Datasheet of Flooded Tubular OPzS Battery




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Solar System 1.jpg

Wind Energy

Solar System

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Golf Cars

Traction Forklifts

Battery Introduce

positive electrode

Positive for lead - antimony - calcium alloy containing lead oxide as the tailgate, active substances, to ensure adequate capacity in use for a long time to maintain the battery capacity, reduce self discharge

Negative pole

The cathode lead antimony alloy containing calcium board, sponge fiber active substances

A partition

The advanced multi microporous AGM separator keeps the electrolyte to prevent the positive pole from the negative electrode short circuit. The clapboard uses nonwoven ultrafine glass fiber, and its chemical properties are stable in sulfuric acid. A porous structure that helps to maintain the electrolyte needed for the reaction of the active substance.


In the electrochemical reaction of the battery, sulfuric acid is used as an electrolyte conduction ion to transfer the electron energy between the positive and negative active substances of the battery.

Shell and cover

In particular, the housing and the cover for ABS resin, with positive and negative electrode of the battery combination tailgate placed in space, can have sufficient mechanical strength to withstand the internal pressure of battery

Safety valve

The material is a synthetic rubber with high quality and acid resistance and anti aging. A single channel exhaust valve made of neoprene cap valve, release the gas pressure in the battery is higher than the normal pressure, keep the normal pressure


According to the difference of the battery, the positive and negative terminal can be a connecting piece, a rod, a stud or a wire. The terminal seal is a reliable adhesive seal. Sealing terminals are useful for large current discharge and long service life

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