Home > Product & Solutions > HR Series – AGM High Rate Battery

By combining the proprietary high rate plate designs with low internal resistance AGM separators, BSB created the innovative range of High Rate batteries. The range offers over extremely high power output at 15 minutes backup time with 12 years of floating life and this battery is highly suitable for high rate UPS and power switch gears.

Features and Benefits

  • Power output at 15 minutes backup time increased 30%
  • 12 years design life at floating condition
  • Optimized plate designs achieving extra low internal resistance
  • Wide temperature range from -15 to 50°C
  • Low self-discharge rate and long shelf life( 1 year at 25°C)
  • Excellent deep discharge recovery capability


  • Positive plates Pb-Ca-Sn grid alloy with special Grid design
  • Negative plates – Balanced lead-calcium grids for improve recombination efficiency
  • Separators – Low internal resistance AGM separators
  • 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: 2.27VPC @20-25°C
  • Float voltage temperature compensation: -3mV/°C/cell
  • Float voltage range: 2.25 to 2.30 VPC@20- 25°C
  • Cyclic application charge voltage : 2.35V/cell
  • Max charge current allowable : 0.25C10A


About BSB

Product & Solutions

Service & Locations

Technology & Support