Analysis of the use method and technical parameters of the 18650 lithium ion battery 3.7v protection board tester

The 18650 lithium ion battery 3.7v protection board tester is developed based on the current 18650 lithium ion battery 3.7v protection board production process, using the principle of capacitor simulation battery charging and discharging. It has the characteristics of complete functions, simple operation, and fast detection speed. The 18650 lithium ion battery 3.7v protection board tester is mainly used to test battery parameters and battery protection time. The use method of the 18650 lithium ion battery 3.7v protection board tester is for different 18650 lithium ion battery 3.7v protection boards. The fastest test speed can reach 0.5 seconds/piece, which greatly improves the test speed. It is particularly suitable for factory mass production factory inspection. The test speed only depends on the overcharge delay time and over-discharge delay time of the tested protection board. The test starts automatically when the protection board is connected. No key operation is required, which reduces the complexity of the worker's operation and can greatly improve production efficiency. Fast testing can determine the function of a protection board in a very short time. Accurate testing can obtain accurate test data of the protection board in a very short time. The voltage parameters are accurate to 1mV, the self-consumption power is accurate to 0.1uA, the overcurrent value is accurate to 0.01A, and the internal resistance parameter is accurate to 1mΩ. The delay time test can test the overvoltage protection delay, over-discharge protection delay, and over-current protection delay of the protection board. Each time parameter is accurate to 1mS, providing the most accurate setting parameters for accurate test data, thereby obtaining the fastest test speed and the highest accuracy. The code reading test can test and read the code data test content and accuracy index of the MOTOLORA mobile phone protection board. Main technical parameters of 18650 lithium ion battery 3.7v protection board tester 1. Input power: AC220V±10%50Hz±2Hz 2. Rated power: 15VA 3. Overcharge voltage: 0-5.0V 4. Over-discharge voltage: 1.5-5.0V 5. Leakage current: 0-199.9uA Short circuit protection speed: 0-200mS. Generally, the short circuit protection speed is within 10mS. If the protection speed is measured to be above 200mS, it means that the board has no short circuit protection. 6. Voltage test accuracy +1.5% Main parameters of 18650 lithium ion battery 3.7v protection board tester 1. Protection board overcharge detection voltage test Test single or multi-cell protection board, the protection chip for each 18650 lithium ion battery 3.7v overcharge protection voltage test range of 3.870V-4.650V test accuracy <0.0025V 2. Protection board overcharge release voltage test Test single or multi-cell protection board, the protection chip for each battery overcharge release voltage test range of 3.550V-4.650V test accuracy <0.0025V 3. 18650 lithium ion battery 3.7v protection board overcharge protection delay time test Test the protection board overcharge protection delay time test range of <5000mS test accuracy <1mS 4. 18650 lithium ion battery 3.7v protection board overdischarge detection voltage test Test single or multi-cell protection board, the protection chip The over-discharge detection voltage test range of each battery is 1.600V-2.700V, and the test accuracy is <0.0025V. 5. 18650 lithium ion battery 3.7v protection board over-discharge release voltage test test. In single-cell or multi-cell protection boards, the protection chip tests the over-discharge release voltage of each battery in the range of 1.600V-3.600V, and the test accuracy is <0.0025V. 6. 18650 lithium ion battery 3.7v protection board over-discharge protection delay time test. The over-discharge protection delay time test range of the protection board is <5000mS, and the test accuracy is <1mS. The above is the usage and technical parameter introduction of the 18650 lithium ion battery 3.7v protection board tester. The function of the 18650 lithium ion battery 3.7v protection board is mainly to protect the cells of rechargeable batteries, maintain the safety and stability of the battery during charging and discharging, and play an important role in the performance of the entire battery circuit system.

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