Home > Product & Solutions > OPzV Series – 2V Tubular Gel Battery

By combining the newly developed tubular positive plates with fumed Gelled electrolyte, BSB created the innovation range of OPzV batteries. The range offers 20 years design life and a cycle life of 1800 cycles to 80% DOD according to IEC896-2.This range battery is highly suitable for telecom outdoor applications, renewable energy system and other harsh environment applications.

Features and Benefits

  • 20 years design life at floating condition at 20°C
  • Wide temperature range from -15 to 60°C
  • Tubular positive plates with prolonged cycle life
  • Fumed Silica gel electrolyte
  • Lead Calcium die cast grid with improved corrosion resistance capability
  • Low self-discharge rate and long shelf life( 1 year at 25°C)
  • Excellent deep discharge recovery capability


  • Positive plates Tubular plates with die cast Pb-Ca alloy grid
  • Negative plates – Balanced lead-calcium grids for improve recombination efficiency
  • Separators – leaf shape PVC-SiO separators
  • Electrolyte – Dilute chemical grade sulphuric acid with fumed Silica gel
  • Battery container and cover – ABS
  • Pillar seal – 100% factory tested, proven two layers epoxy resin seal
  • Relief valve – Complete with integrated flame arrestor

Charging Voltage and Setting

  • Constant voltage charging is recommended
  • Recommended float charge voltage: 2.25VPC @20-25°C
  • Float voltage temperature compensation: -3mV/°C/cell
  • Float voltage range: 2.23 to 2.27 VPC@20- 25°C
  • Cyclic application charge voltage : 2.35V/cell
  • Max charge current allowable : 0.25C10A


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