Firstpower FP12280 12V 28H Battery

Specifications

Nominal Voltage: 12V

Capacity (25°C)

• 20HR (10.5V): 28Ah
• 10HR (10.5V): 26Ah
• 1HR (9.60V): 17.6Ah

Dimension

• Length: 166 ± 2 mm (6.54 inch)
• Width: 175 ± 2 mm (6.89 inch)
• Height: 125 ± 2 mm (4.92 inch)
• Total Height: 125 ± 2 mm (4.92 inch)

Approx. Weight: 8.2 kg (18.08 lbs) ± 4%

Terminal Type: T3 / T8

Internal Resistance (Fully Charged, 25°C): Approx. 12 mΩ

Capacity Affected by Temperature (20HR)

• 40°C: 102%
• 25°C: 100%
• 0°C: 85%
• -15°C: 65%

Self-Discharge (25°C)

• 3 months: Remaining Capacity 91%
• 6 months: Remaining Capacity 82%
• 12 months: Remaining Capacity 65%

Nominal Operating Temperature: 25°C ± 3°C (77°F ± 5°F)

Operating Temperature Range

• Discharge: -15°C to 50°C (5°F to 122°F)
• Charge: -10°C to 50°C (14°F to 122°F)
• Storage: -20°C to 50°C (-4°F to 122°F)

Float Charging Voltage (25°C)

• 13.60V to 13.80V
• Temperature Compensation: -18mV/°C

Cyclic Charging Voltage (25°C)

• 14.50V to 14.90V
• Temperature Compensation: -30mV/°C