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Author ：Iflowpower – Portable Power Station Supplier
Measuring the battery is bad, but it is used to measure the parameters such as the voltage and current. Seded together, open the outer box, if you can see a separate terminal of each battery, then remove the load cable, you can use the cable between the battery, simple use of multimeter measurement judgment. 1.
If there is a battery fast, the symptom is: in the case of full power, the driving distance is significantly shortened, the electric vehicle shows the recharge of the charging grid. Charging in the absence of electricity, there is no charge, it will show it. 2, unplug the total power supply in the battery warehouse, then uninstall the battery warehouse shell.
3, the multimeter is adjusted to the DC 50V gear, two tablets (red +, black -) contact each battery + - pole, the standard is 12V voltage, a piece of battery is lower than this voltage, indicating that this battery aging, broken. 4, some single battery is just filled with 12V, but the storage current is insufficient, there is a dedicated battery measurement instrument to detect. 5, if there is no measuring instrument, you can pick a large load, for example, 12V100W light bulb, multimeter connection + - extreme, then connect the lamp, then, look at the reading, lower than 10V, indicating that the battery is broken.
If there is a battery in the electric vehicle battery pack, it must be replaced in time. The battery pack of the electric vehicle is broken, which will cause the rated voltage and current to not reach the standard, the electric vehicle is difficult to start, while causing other batteries to accelerate damage. Try to replace the new battery, the performance of the old battery is different, the performance is seriously dragged, resulting in low performance.
If there is any other use value, you should choose 1, and it is best to use. Important reasons: In addition to the normal output, it is necessary to have a low-supplement voltage, or the battery that has been invalid; is called an equivalent circuit in the circuit; The reason is the case.
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