The batteries are designed for backup power supply systems in uninterruptible power supplies, used in telecommunication systems of industrial, office and other institutions. Specifications: Number of elements: 6 Voltage: 12 V Nominal capacity: 10 A / h at a 20-hour discharge to 1.75 V per element at 25 ° C Weight: 3.10 kg (Tolerance ± 5.0%) Internal resistance: 20 mOhm Terminal type: F2 Maximum discharge current: 100 A (5 seconds) Short-circuit current: 475 A Shelf life: 6-8 years Maximum charging current: 1 A Test capacity: C3 7.76 AHC5 8.76 AHC10 9.39 AHC20 10.1 AH Charging voltage in buffer mode: 13.7 V ~ 13.9 V at 25°C Temperature Compensation: -3mV/°C/cell Cycle Charge Voltage: 14.6V~14.8V at 25°C Temperature Compensation: -4mV/°C/cell Operating Temperature Range: Discharge: -20°C~60°C Charge: 0°C~50°C Storage: -20°C~60°C Normal Operating Temperature Range: 25±5°C Case Material: A.B.S. UL94-HB, UL94-V0C Self-Discharge: RITAR Rechargeable Regulated Lead Acid (VRLA) batteries 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. Packaging size (154*68*120), mmDevice size (151*65*117), mmNET, kg: 3.10000GROSS, kg: 3.72000 Please note! Failure to comply with the voltage and charge-discharge currents may damage the battery and void the warranty.