• Nominal voltage: 6 V• Nominal capacity: 4 Ah• AGM• Case material: ABS plastic• Dimensions (L x W x H): 70 x 48 x 101 mm• Weight: 0.66 kgApplication:• uninterruptible power supplies• in solar and wind installations;• in telecommunications and industrial equipment;• in backup lighting systems• as part of video surveillance systems, alarms, access control• in networks of fire and security automated systems Characteristics:• Voltage: 6 V• Nominal capacity: 4 A / h at 20-hour discharge• Internal resistance 25 mOhm• Terminal type: T1• Maximum discharge current: 67.5 A (5 seconds)• Maximum charging current: 1.35 A• Charging voltage in buffer mode: 6.80V ~ 6.90V at 25 ° C• Charging voltage in Cyclic mode: 7.25V ~ 7.45V at 25 ° C • 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: plastic • Self-discharge: - Can be stored for up to 6 months at 25 ° C, and then recharging is recommended. Monthly self-discharge rate is less than 3% at 25 ° C. • Weight: 0.6 kg (Tolerance ± 5.0%) • Dimensions (L x W x H): 70 x 101 x 47 mm