The batteries are designed for backup power 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: 100 A / h at 10-hour discharge to 1.80 V per element at 25 ° C Weight: 26.5 kg (Tolerance ± 5.0%) Internal resistance: 6.5 mOhm Terminal type: F15 (M6) / F12 (M8) / L4 Maximum discharge current: 1000 A (5 seconds) Short-circuit current: 2200 A Shelf life: 12 years Maximum charging current: 10.0 A Test capacity: C3 77.4 AHC5 87.0 AHC10 100.0 AHC20 106.0 AH Float Charging Voltage: 13.6V~13.8V@25°C Temperature Compensation: -3mV/°C/cell Cycle Charging Voltage: 14.6V~14.8V@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 lead acid (VRLA) batteries can be stored for up to 6 months at 25°C, after which recharging is recommended. The monthly self-discharge rate is less than 3% at 25°C. Please charge the batteries before use. Device size (306.5*168.5*210)mm. Please note! Failure to comply with the voltage and charge-discharge currents may damage the battery and void the warranty.