The ULL series is a general purpose battery with a design life of 12 years in buoyancy service. It complies with IEC, JIS, BS, GB/T and YD/T standards. With advanced AGM valve regulation technology and high purity raw material, ULL series battery maintains high consistency for better performance and reliable standby service life. Suitable for UPS/EPS, Telecom, power grid, medical equipment, emergency lighting and security system applications.
Number of Cells per Unit 6
Voltage per Unit 12
Nominal Capacity 55Ah@10hrs @1.80V per cell @25°C
Approx. Weight. 16.5 Kg (Tolerance±3.0%)
Max. Discharge Current 550A (5s)
Internal Resistance Approx. 6.0mΩ
Terminal F11(M6)/F15(M6)
Max. Charge Current 16.5 A
Container Material ABS UL94-HB, UL94-V0 Optional.
Working Temperature Range
Discharge: -20°C~60°C
Charge: 0 ~50 °C °C
Storage: -20 ~60 °C °C
Normal Operating Temperature Range 25°C °C ±5
Standby Voltage 13.6 V~13.8 V @ 25°C
Cycle Voltage
Self-Discharge It is recommended to store at 25°C for up to 6 months and then recharge
. Monthly Self-discharge rate
is less than 3% at 25°C. Please charge the batteries before use.
Design Life 12 years (Float charge)
Reference Capacity
C3 42.6AH
C20 58.2AH
Short Circuit Current 1160A
Specification
C5 48.0AH
C10 55.0AH
14.6V~14.8V @ 25°C
Dimensions
Temperature Compensation: -3mV/°C/Cell
Temperature Compensation: -4mV/°C/Cell