Specifications: Number of cells: 6 Voltage: 12 V Nominal capacity: 7 Ah at 20-hour discharge to 1.75 V per cell at 25 ° C Weight: 2.1 kg Internal resistance: 28 mΩ Terminal type: F2 Maximum discharge current: 105 A (5 seconds) Shelf life: 5 years Maximum charging current: 2.1 A Float charging voltage: 13.6 V ~ 13.8 V at 25 ° C Temperature compensation: -3 mV / ° C / cell Cyclic charging voltage: 14.5 V ~ 14.9 V at 25 ° C Temperature compensation: -4 mV / ° C / cell Operating temperature range: discharge: -15 ° C ~ 50 ° C charge: - 10 ° C ~ 50°C Storage: -20°C ~ 50°C Normal Operating Temperature Range: 25±5°C Case Material: A.V.C. UL94-HB, UL94-V0 Self-Discharge: The Rechargeable Gas Regulated Lead Acid (VRLA) AGM battery can be stored for up to 6 months at 25°C, and then recharging is recommended. The monthly self-discharge rate is less than 3% at 25°C. Please charge the batteries before use.