Battery Pack Charge-Discharge Testing
Charge-discharge testing evaluates the performance, capacity, efficiency, and cycle life of battery packs under controlled conditions. Key parameters include:

Test Objectives
- Measure actual capacity vs. rated capacity
- Determine charge/discharge efficiency (Coulombic efficiency)
- Assess cycle life degradation
- Verify thermal management performance
- Identify voltage/capacity inconsistencies between cells
Standard Procedures
- Constant Current-Constant Voltage (CC-CV) Charging:
  Charging at rated current until reaching cutoff voltage, then maintaining voltage while current tapers.
- Discharge Protocols:
  Conducted at specified C-rates (e.g., 0.5C, 1C) to cutoff voltage.
- Cycle Testing:
  Repeated charge-discharge cycles (e.g., 500+ cycles) with periodic capacity checks.

Specication

Technical Parameter
Measuring Range	7-70V
Accuracy	±(0.2% of reading +0.2% of range)
Charging Range	50-5000mA
Charging Accuracy	±(0.2% of reading +0.2% of range)
Discharge Range	50-10000mA
Discharge Accuracy	±(0.2% of reading +0.2% of range)
Number of Passages Per Cabinet	12 channels, four rows and three column
Upper computer communication mode	Based on TCP/IP Protocol/Serial Port
Accuracy	±1%

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70V Battery Tester Lithium Battery Charge And Discharge Machine

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70V Battery Tester Lithium Battery Charge And Discharge Machine