Home > Product & Solutions > FA Series – AGM Front Access Battery

By combining the newly developed paste formula with up-to-date AGM structures, BSB created the innovation range of FA batteries. The range offers 12 years design life and front access connections for fast and easy installation and maintenance. This range battery is highly suitable for telecom applications, UPS system and other back up applications.

Features and Benefits

  • 12 years design life at floating condition at 20°C
  • Wide temperature range from -15 to 55°C
  • Advanced paste formula with increased recharge efficiency
  • 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
  • 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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