Long Cycle Life 2V2000Ah OPzS Battery 2V Tubular Flooded Series Battery
Product Overview
The OPzS series is a traditional tubular plate flooded battery offering 20+ years design life according to IEC60896-11 standard. With advanced design and technical improvements, it provides maximum efficiency and reliability for diverse applications.
Construction Features
- Positive Plate: Tubular plate with die cast alloy grid
- Negative Plate: Balanced Pb-Ca grid for improved recombination efficiency
- Separator: Leaf shape rubber separator
- Electrolyte: Dilute high purity sulphuric acid of 1.240 specific gravity
- Battery Container: SAN material
- Battery Cover: ABS material
- Pillar Seal: Double layers epoxy resin seal
- Relief Valve: Complete with integrated flame arrestor
Technical Specifications
| Specification |
Value |
| Nominal Voltage (V) |
2 |
| Designed Floating Life (20°C) |
20+ Years |
| Nominal Capacity (20°C) |
2000 Ah @ C10 (to 1.80Vpc) |
| Dimensions |
L399mm × W210mm × H826mm |
| Approximate Weight |
Without electrolyte: 106Kg With electrolyte: 146Kg |
| Terminal Type |
Female Copper Insert M8 (torque: 10~12N.m) |
| Internal Resistance |
Approx. 0.33mOhm (fully charged @ 25°C) |
| Max. Charge Current |
400 A |
| Max. Discharge Current (5S) |
3600 A |
| Short Circuit Current |
6000 A |
| Self Discharge |
Approx. 4% per month @ 20°C |
| Ambient Temperature |
Discharge: -25~65°C Charge: -20~65°C Storage: -15~40°C |
| Float Charge Voltage |
2.21-2.25V @25°C (-3mV/°C/cell) |
| Equalize Charge Voltage |
2.35-2.4V @25°C |
| Container Material |
SAN |
Applications
Ideal for standby power applications requiring highest levels of reliability and security:
- Telecom
- Electric Utilities
- Control Equipment
- Security Systems
- Medical Equipment
- UPS Systems
- Railroad Utilities
- Photovoltaic Systems
- Renewable Energy Systems
Key Advantages
- 20+ years design life at floating condition
- Wide operating temperature range from -40°C to 60°C
- Tubular positive plate with prolonged cycle life
- Nano Silica gel electrolyte
- Lead Calcium die cast grid with improved corrosion resistance capability
- Excellent deep discharge recovery capability
- Low self-discharge rate and long shelf life (1 year at 20°C)