This article outlines the steps to effectively test the voltage of the J100 battery using a multimeter, ensuring accurate readings and proper handling of battery health.
Battery Voltage Testing Using a Multimeter
Click Here for Multi meter used in video
Key Steps
Understanding Battery Specifications 0:00
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A LiPo battery consists of 14 cells.
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Normal discharge voltage per cell: 3.0 volts.
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Fully charged voltage per cell: 4.2 volts (some may use 4.25 volts).
Interpreting Voltage Readings 0:41
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Total voltage for 14 cells at normal discharge: 42 volts or above.
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Total voltage for fully charged battery: 58.8 volts.
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If voltage is below 42 volts, a cell may have a problem.
Testing the Battery Voltage 2:05
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Turn on the battery: Press and hold the power button until the battery lights up and quick press and release. Battery should be on.
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Select terminals: Use the top terminals for testing, avoiding the inner two pins (signal information).
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Insert multimeter probes: Connect the multimeter probes to the selected terminals to get a reading.
Analyzing the Results 3:14
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Record the voltage reading displayed on the multimeter.
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Calculate voltage per cell by dividing total voltage by 14.
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If reading is below 42 volts, it indicates a potential cell issue.
Safety Precautions 1:44
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If a cell is faulty, discontinue use of the battery to prevent potential hazards like thermal runaway.
Click here for a new V2 J100 Battery
Click here for a new V1 J100 Battery
For difference between V1 and V2 to ensure you get the right battery for your terminals Click Here
Further Troubleshooting 3:48
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If voltage is within range but issues persist (e.g., flashing lights), further troubleshooting is needed:
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Charge the battery.
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Connect to the drone to retrieve battery information.
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Click Here to go to Battery Troubleshooting article.
Cautionary Notes
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Always handle batteries with care to prevent damage or accidents.
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Do not attempt to repair faulty cells; replace the battery instead.
Tips for Efficiency
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Ensure the multimeter is calibrated and functioning before testing.
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Familiarize yourself with the battery management system to identify issues quickly.
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Keep a log of voltage readings for future reference.
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