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Industrial Lead Storage Battery

OPzV Battery


OPzV batteries are safe batteries with no leakage and no change in sulfuric acid by using a tubular positive plate and a gel-type electrolyte.

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  • Leak-free and maintenance-free sealing type with a gel-type electrolyte
  • Effectively suppresses the drop-off of the active material by a tubular positive plate
  • Uses PVC-SiO₂ separator specialized for gel batteries
  • High volumetric porosity, low electrical resistance, and excellent wettability by a separator
  • Low self-discharge rate
  • Proves deep discharge according to DIN 43539 T5

Technical parameters

  • Operating temperature: -20 - 50 ℃
  • Suitable temperature for best use: 25 ± 5 ℃
  • Floating charging voltage: 2.25 - 2.30 V/unit
  • Cycle charging voltage: 2.30 - 2.35 V/unit
  • Synchronization voltage: 2.35 V/unit
  • Temperature control coefficient: -3 mV/℃/unit
  • Maximum charging current: 0.20C10A


  • Telecommunications equipment
  • Electronic equipment
  • Fire alarms and security devices
  • Uninterruptible power supplies (UPS)
  • Solar power systems
  • Wind power systems