The OPzS batteries is the traditional tubular plates flooded batteries, it offer 20 years design life and a cycle life of 1800 cycles to 80% DOD according to IEC896-2.This range battery is most suitable for use in all standby power applications that demand the highest levels of reliability and security.

Features and Benefits

• 20 years design life at floating condition
• Up to 2 years topping up intervals
• Tubular positive plates with prolonged cycle life
• High operational reliability
• Lead calcium die cast grid with improved corrosion resistance capability
• Dry charged package and delivery ensure longer shelf life
• Explosive-proof with special designed vented plug

Construction

• Positive plates Tubular plates with die cast Pb-Ca alloy grid
• Negative plates – Balanced lead-calcium grids for improve recombination efficiency
• Separators – leaf shape PVC-SiO separators
• Electrolyte – Dilute chemical grade sulphuric acid of 1.240 specific gravity
• Battery container and cover – UL94 V0 flame retardant SAN
• 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: 2.23VPC @20-25°C
• Float voltage temperature compensation: -3mV/°C/cell
• Float voltage range: 2.20 to 2.23 VPC@20- 25°C
• Cyclic application charge voltage : 2.35V/cell
• Max charge current allowable : 0.25C10A