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18650 EV Battery Grading System Echelon Utilization Capacity Analyzer

Categories Battery Grading System
Brand Name: Neware
Model Number: CT-4002-20V300A-NA
Certification: CE
Place of Origin: China
MOQ: 1 Unit
Price: USD negotiation per Unit
Payment Terms: T/T
Supply Ability: 10 Units Per Month
Delivery Time: 45 word days
Packaging Details: wooden box
Voltage Range: 100mV - 20V
current range: 100mA - 300A
Input power: 16709W
Min voltage resolution: 40mV
Min current resolution: 600mA
Channel number: 2
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18650 EV Battery Grading System Echelon Utilization Capacity Analyzer

Neware Battery Grading System EV Battery Echelon Utilization Capacity Analyzer


CT-4000 mainly applies for institutions , colleges and universities and EV battery manufacturers .


Accurate Timing

Most of us are considering the voltage and current accuracies are the all important factors of a battery tester , but actually timing accuracy is of the same importance .


Capacity or energy is calculated on time basis with the voltage and current measured , thus the timing accuracy will greatly affect the capacity calculated . To a general constant current or other constant testing regimes, this effect may not that easy to be observed .


Recycle Battery Function

If you have recovery battery pack , like Toyota Prius battery pack , generally, each piece has 6 single Ni - MH cell , then several pieces batteries assembed in one pack , and you need to check each single cell for capacity , cyclie life , resistance , etc . Then assemble the battery cell after sorting by capacity , resistance . You will get the new battery pack . And last you will test the battery pack to check the real capacity and other function parameter .


Driving Cycle Simulation

Driving cycles are used to simulate car fuel economy at different operating conditions . There are many driving schedules or driving cycles that are issued by various agencies or institutes. To simulate EV , you need to convert the speed output into the power consumption or regeneration of the energy storage device installed on the vehicle .


Simulation - the Way You Look into Reality

You know battery capacity at at constant current , or power , or load . But the reality is that no the energy is drawn by a constant variable . Your capacity or energy tested under constant conditions can only be a general one , and the cycle life tested such regime can also be largely deviated from reality . To have a better master of reality, simulation is introduced . GSM pulse is of such kind for phone batteries . for EV batteries , Drive Cycle Simulation is used .


Project index

Parameter index

resolutionAD 16bit , DA 16bit
Input ResistanceMore than 1MΩ
Input Power16709W
Channel FeaturesConstant Current Source and Constant Voltage Source with Independent pairs of Closed - loop Structure
Channel Control ModeIndependent Control
VoltagePer Channel Voltage Range100mV - 20V
Discharge Min Voltage2.5V
Accuracy0.05 percent of FS
Stability0.05 percent of FS
TimeCurrent Response Time20ms
ChargeCharge ModeCCCharge , CVCharge , CCCVCharge , CPCharge
End ConditonVoltage , Current , Relative Time , Capacity , -deltaV
DischargeDischarge ModeCCD , CPD , CRD
End ConditionVoltage , Current , Relative Time , Capacity
PulsechargeCCC , CPC
DischargeCCD , CPD
Min Pulse Width500ms
CycleLoop Measure Range65535 times
Max Steps Per Loop254
ProtectionSoftware ProtectionPower - down Data Protection
Off - line Testing Function
Setting Protection Condition,Setting Parameter - Low Voltage limit , Upper Voltage limit , Low Current limit , Upper Current limit , Delay Time
IP protection levelProtection level IP20
Voltage and Current Testing Sample4 - wire connecting
NoiseLess than 85dB
DatabaseMySQL Database
A Means of Communication of Upper MachineTCP / IP Protocol
Data OutputEXCEL , TXT , Graph
Communication InterfaceEthernet Port
Per Unit Main Channels No.2

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