source:Geerady       date: 2022-06-17
The capacity size of the lithium battery determines its long working time, how to detect lithium battery capacity? Sumber analysis: Lithium battery capacity refers to its accommodated power, and the unit is usually "safe" and "mAh". Such as: Lithium battery capacity is 500mAh, indicating that the battery is 10mA when working is working, and it can work for 50 hours.
The lithium battery capacity test is parameter with the full voltage and set termination voltage, because the lowest discharge voltage of the lithium battery is 2.75V, so the voltage of less than 3V has no meaning of the lithium battery test; fixed current discharge is generally C indicates that the lithium battery is generally tested with 0.5c discharge.
Lithium battery capacity test method
1. Fill the battery, single lithium battery is filled with electricity 4.2V;
2, use the multimeter is a lithium battery constant current 0.5c, discharged relative to the battery capacity, and the termination voltage is set to 3V;
3, multiplying the flow rate by the discharge current is the battery capacity; inspection: If the constant current discharge does not reach two hours, then the nominal voltage is not enough, the lithium battery has the possibility of counterfeiting.
If a professional lithium battery bundle cabinet is personal, find an adjustable load resistor and a current-adjustable DC power supply to calculate the battery capacity by charging and discharging time, charging current ¡Á charging time = battery capacity (From 2.7V or 3.0V to 4.2V) or discharge current ¡Á discharge time = battery capacit
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