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: 1.3 A / h at a 20-hour discharge to 1.75 V per element at 25 ° C Weight: 1.08 kg (Tolerance ± 5.0%) Internal resistance: 95 mOhm Terminal type: F1 Maximum discharge current: 13 A (5 seconds) Short-circuit current: 68 A Shelf life: 6-8 years Maximum charging current: 0.13 A Test capacity: C3 1.01 AHC5 1.14 AHC10 1.22 AHC20 1.30 AH Charging voltage in buffer mode: 13.7 V ~ 13.9V at 25°C Temperature compensation: -3mV/°C/cell Voltage ' Package size (101*47*62), mm Device size (98*44*59), mm NET, kg: 0.90000 GROSS, kg: 1.08000 Please note! Failure to comply with the voltage and charge-discharge currents may damage the battery and void the warranty.