When buying a laptop battery, bring BatteryMon. When buying a laptop battery, we often need to know whether it is an original product from the manufacturer, the battery's capacity, the maximum standby time, etc. BatteryMon allows us to intuitively see various performance parameters of the battery in a graphical way. After inserting the laptop battery and disconnecting the external power supply, run BatteryMon and click the "Start" button. You can see the decline curve of the battery power in the graph. The ordinate represents the current remaining battery power percentage, and the abscissa represents battery usage time. In the details on the left, "Totaltime" indicates the maximum time that the software can test that the battery can be used when it is fully charged. Generally, it takes about 3 hours, which means that the charging performance of this battery is still good.
use:
1. This software can directly see the design capacity, current capacity and full charge capacity of the laptop battery. In the past, only IBM laptops (with Battery Information software on the machine) could do this. With this software, any laptop can You can easily see the battery capacity.
2. Verify whether the charging circuit is normal
Click on Battery Information in the software and there will be a picture.
Please note: When charging is completed and the charging indicator light has gone out, the Charge rate in the picture should be 0 (on the contrary, it is abnormal)
When discharging, the Charge rate is negative
When charging, Charge rate is a positive number
3. Verify whether the battery activity is normal
BatteryMon will automatically monitor the battery charge and discharge status and automatically draw a curve to tell you the current charging status.
Because a battery with good performance will definitely have a very smooth discharge curve, and the time for each drop is about the same. If the second-hand battery you purchased has a sudden drop in discharge, then there is no doubt that this battery The life of the battery is near, so replace it if you can. This is the convenience that BatteryMon’s discharge curve function can bring to everyone. Of course, what I just mentioned is the situation during discharge, and the same is true when charging. The discharge curve function can be used. Generally speaking, the charging curve should also be very smooth. However, one thing needs to be noted. When the battery capacity reaches 90%, the external power supply will change to a small current to continue charging the battery. Then in the final The charging area with 10% power will be very straight and will last for a long time. This situation shows that the activity of this battery is still very good and it is in a good charging and discharging state. Otherwise, you should pay attention to it. .
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