By combining the newly developed corrosion resistance alloy and advanced curing process, BSB created the range of long life battery_mainbatteries- Duration range. The range offers 12 years of design life and top terminals. This range battery is highly suitable for UPS system, switchgear, CATV and telecommunication systems.


  • Long life expectancy of 12 years at floating condition
  • Wide temperature ranges from -15 to 50°C
  • Thick flat plate with high Tin low Ca alloy
  • Operation with any position without leakage
  • Balanced design for both floating and cyclic operation
  • Low self-discharge rate and long shelf life
  • Excellent deep discharge recovery capability


  • Positive plates – Thick high Sn low Ca grids to resist corrosion and prolong life
  • Negative plates – Balanced lead-calcium grids for improving 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

View DB Series (410.00KB) brochure.