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<br />Energport Inc Page 12 /24 <br />5 Cell <br />Battery system adopts advanced LFP battery with high energy density, good safety performance, and <br />long cycle life. It is already massively used in plug-in hybrid bus and electrical bus. <br />5.1 Cell performance parameters <br />No. Parameter Specification Condition <br />1 Standard capacity 27 Ah <br />2 Minimum capacity 27 Ah <br />3 Nominal voltage 3.2V <br />4 Working voltage 2.5 ~ 3.65 V N.A. <br />5 Standard of charge method 0.33C to 3.65V CC/CV <br />6 Internal resistance(1KHz) ≤3mΩ <br />7 End of charge voltage 3.65V <br />8 End of discharge voltage 2.5V <br />9 End of charge current 0.02C <br />10 Working temperature Charge: 0 ~ 55 ℃ <br />Discharge:-20 ~ 55 ℃ <br />11 Storage temperature -10 ~ 30 ℃ <br />12 Cycle Life ≥4000 cycles @25℃,1C/1C,100 <br />%DOD,80%EOL <br />13 Cell weight 570.0±5.0g N.A. <br />14 Cell dimension 20*140*100 N.A. <br /> <br />Figure10 Cell <br /> <br />75