Home > Product & Solutions > FAG Series – 12V Hybrid Gel Front Access Battery

By combining the newly developed nano gel electrolyte with up-to-date AGM structures, BSB created the innovation range of FAG batteries. The range offers 15 years design life and front access connections for fast and easy installation and maintenance. This range battery is highly suitable for telecom outdoor applications, renewable energy system and other harsh environment applications.

Features and Benefits

  • 15 years design life at floating condition at 20°C
  • Wide temperature range from -15 to 60°C
  • Nano gel electrolyte eliminate the acid stratification and prolong cycle life
  • Front access terminal with standard width for 19” and 23” ETSI racks
  • Float current decreased 30% lead to excellent high temperature resistance
  • Thick flat plate with high Tin low Ca alloy
  • Low self-discharge rate and long shelf life( 1 year at 25°C)
  • Excellent deep discharge recovery capability


  • Positive plates – Thick high Sn low Ca grids minimize corrosion and prolong life
  • Negative plates – Balanced lead-calcium grids for improve recombination efficiency
  • Separators – Advanced AGM separators for ultra low float current
  • Electrolyte – Dilute chemical grade sulphuric acid with nano 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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