URB12400-U1-SMB | 12.8V


URB12400-U1-SMB Lithium Iron Phosphate smart battery offers incredible performance in a wide range of transportable and stationary equipment.
The URB12400-U1-SMB is specifically designed to replace and outperform lead acid batteries. The tough, bi-coloured UL 94V-0 flame retardant polycarbonate case ensures internal cells and electronics are protected at all times and unlike a lead acid battery the URB12400-U1-SMB can be mounted in any direction and does not require charging in a vented area.


Technology Lithium ion (Rechargeable)
Lithium - LiFePO4 (Lead-Acid Replacement)
Nominal Voltage 12.8V
Voltage Range : 10.0V - 14.6V
Nominal Capacity 38400mAh
Energy 492Wh
Volumetric Energy Density 93Wh/l
Gravimetric Energy Density 91Wh/kg
Charge Mode Connect the battery to a DC power source using correct polarity and apply a maximum voltage of 14.6V. Limit the current to the recommended rate of 8.0A and hold 14.6V until the current declines to 0.8A. Maximum charge rate is 20.0A.
Alternatively, you may apply a maximum charge voltage of 13.6V (limiting the current to 8.0A) and hold indefinitely to maintain the battery in a continuous standby state-of-charge of between 80-90%.V
Continuous discharge current (max) 20A
Pulsed discharge current (max) 110A
Maximum pulse width of between 800ms and 15ms.
Protections Overcharge: 3.75V (per cell)
Over Discharge: 2.50V (per cell)
Over Current: 210 ± 5A (>800ms)
Over Temperature: 65 ± 5°C
Short Circuit
Cell Imbalance
Physical layer: SMBus
Service Life >2000 cycles
Number of consecutive C/5 rate discharges and recommended charges at 25°± 5°C until the battery reaches 80% of initial capacity.
Dimensions Height: 182.1mm
Length: 208.5mm
Thickness: 136.4mm
Weight 5440g
Terminals/Connector 1/4 - 20 screw terminals
Operating temperature Charge: 0°C to 45°C
Discharge: -40°C to60°C
Storage temperature -40°C to 60°C

Discharge Curve

URB12400-U1-SMB

Charge Curve

URB12400-U1-SMB
Can material UL 94V-0 Hard plastic, PC
Dimensions Height: 182.1mm
Length: 208.5mm
Thickness: 136.4mm
Weight 5440g
Terminals/Connector 1/4 - 20 screw terminals

Drawing

URB12400-U1-SMB
Technical Datasheet
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