Main Features
- Voltage: 12Vdc
- Capacity: 26Ah
- Technology: VRLA (Valve Regulated Lead Acid)
- Service life: 6-8 years in float service
Electrical Specifications
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Number of cells: 6
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Nominal voltage: 12V
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Nominal capacity: 26Ah @ 20h to 1.75V per cell at 25°C
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Capacity (max. discharge): 260A (5 seconds)
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Short-circuit current: 900A
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Maximum recommended charging current: 7.8A
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Internal resistance: Approx. 10mΩ
Operating Voltage
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Float mode: 13.7V~13.9V @ 25°C
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Temperature compensation: -3mV/°C/cell
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Cyclic mode: 14.6V~14.8V @ 25°C
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Temperature compensation: -4mV/°C/cell
Operating Conditions
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Temperature range (discharge): -20°C to 60°C
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Temperature range (charge): 0°C to 50°C
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Temperature range (storage): -20°C to 60°C
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Normal operating temperature: 25°C ±5°C
Physical Characteristics
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Weight: Approx. 8.1kg (Tolerance ±3.0%)
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Terminal material: F3(M5)/F13(M5)/T24(M5)
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Tightening torque: M5: 6-7N·m, M6: 8-10N·m, M8: 10-12N·m
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Dimensions: 166±1.5mm (L) × 178±1.5mm (W) × 125±1.5mm (H)
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Container material: A.B.S. UL94-HB, UL94-V0 (Optional)
Discharge Capacity
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C3: 20.2AH
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C5: 22.8AH
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C10: 24.4AH
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C20: 26.2AH
Storage and Self-Discharge
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Self-discharge: <3% per month at 25°C
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Storage: Up to 6 months at 25°C before recharging
Applications
- Uninterruptible Power Supply (UPS) Systems
- Emergency Power Supply (EPS) Systems
- Telecommunications
- Power grids
- Medical equipment
- Emergency lighting systems
- Security systems
