USL series is a general purpose battery with a design life of 6~8 years in buoy service. It complies with IEC, JIS, BS, GB/T and YD/T standards. With advanced AGM valve regulation technology and high purity raw material, USL series battery maintains high consistency for better performance and reliable standby service life. Suitable for UPS/EPS, medical equipment, emergency lighting and security system applications.
Number of Cells per Unit 6 Voltage
per Unit 12
Nominal Capacity 4.5Ah@20hrs @1.75V per cell @25°C
Approx. Weight 1.30 Kg (Tolerance±5.0%)
Max. Discharge Current 45A (5 sec)
Internal Resistance Approx. 45 mΩ
Terminal F1/F2
Max. Charge Current 1.35 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 13.7 V~13.9 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 6~8 years (Float charge)
Reference Capacity
C3 3.48AH
C20 AH 4.50
Short Circuit Current 234A
Specification
C5 AH 3.93
C10 AH 4.21
14.6V~14.8V @ 25°C
The battery must be fully charged before capacity testing. The C20 must reach 95% after the first cycle and 100% after the third cycle.
Dimensions
Temperature Compensation: -3mV/°C/Cell
Temperature Compensation: -4mV/°C/Cell