KB19

Liquid-cooling Battery Pack Gen 1

Energy storage block is the basic unit used in energy storage system and it can be stacked in series and parallel to assemble into various energy storage systems. 


  • Energy Efficiency ≥ 94% @ 0.5P, room temperature

  • Standard modules, flexible system expansion

  • Compact Design, lightweight    

  • Low internal resistance, stable discharge

liquid cooling battery pack gen 1 01
liquid cooling battery pack gen 1 02
liquid cooling battery pack gen 1  03
liquid cooling battery pack gen 1 04
liquid cooling battery pack gen 1 01
liquid cooling battery pack gen 1 02
liquid cooling battery pack gen 1  03
liquid cooling battery pack gen 1 04

Technical Data of Liquid-cooling Battery Pack Gen 1

ModelLS280-1P48SLS280-1P52SNote
Cell Configuration1P48S1P52S
Nominal Voltage153.6V166.4V
Minimum Working Voltage129.6V140.4VT>0℃@cell 2.7V
Maximum Working Voltage175.2V189.8VT>0℃@cell 3.65V
Rated Energy43.008kWh46.592kWh25±2℃, 0.5C
Weight325±5kg340±5kg
Dimensions510*1050*251mm810*1145*251mmWxDxH, ±2mm
Energy Density>132Wh/kg>137Wh/kg
Cell Capacity280Ah0.5C discharge current, ±2°C
Cycle Life600025±2℃, 0.5C, SOC≥80%
Maximum Continuous Charging Current140A/0.5C20~35℃, SOC: 0~90%
Maximum Continuous Discharging Current140A/0.5C15~35℃, SOC: 10~100%
Self-discharge Rate≤3%/month

25±2℃, 30% SOC,

storage for3 months

Operating TemperatureCharge: 0~55℃  Discharge: -20~55℃

Charging below 0°C 

requires external heating

Insulation GradeResistance≥500MΩ@1000VDC

Battery pack main positive and negative terminals referenced 

to ground

Withstand VoltageLeakage Current ≤ 1mA@4500VDC
Battery Pack Casing Protection RatingIP67
Cooling ModeLiquid-cooling
Product State Of Charge At Shipment30%±5%


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