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<br />Energport Inc Page 11 /24 <br />4 Battery Tray <br />BESS adopts a unique battery tray, which consists of 8 modules in series, and 1 CSC. The CSC <br />monitors each cell voltage and measure cell temperature (terminal connection) at 4 locations per <br />module. The CSC also performs cell balancing. <br />The battery tray structure is shown below: <br /> <br />Figure 9 Battery tray <br />4.1 Battery Tray Parameters <br />No. Item Specification Note <br />1 Peak voltage 56.8VDC <br />2 Nominal voltage 51.2VDC <br />3 Operating voltage range 44.8VDC – 56.8VDC <br />4 Minimum capacity(0.5C) 216Ah <br />5 Average capacity(0.5C) 216Ah <br />6 Standard charge current 0.5C（100A） <br />7 Standard charge mode <br />Constant current (100A）to 56.8V， <br />then constant voltage till charge <br />current<9A <br /> <br />8 Charge time Standard charge：2 hours <br />9 Standard discharge current 0.5C（100A） <br />10 Discharge end voltage 44.8V <br />11 Working temperature range <br />Charge：0°C ~ 55°C; <0°C, charge <br />not allowed <br />Discharge: -20°C ~ 55°C <br /> <br />12 Storage temperature -30°C ~ 60°C <br />13 Dimension W：450mm D：831mm H：193mm <br />14 Weight 90kg <br />15 Communication protocol CAN2.0B <br />16 Balance Passive <br /> <br /> <br />DocuSign Envelope ID: 1DDC1773-ED91-404B-97DD-AC3EFDBAD0DD