Problem with the power suddenly turning off when pressing the multi-function button on EP-0136 | 52Pi Store

Problem with the power suddenly turning off when pressing the multi-function button on EP-0136


  • Hi
    I am using EP-0136, but if I press the multi-function button by mistake, the power turns off.
    If Linux is suddenly powered off, it can cause serious damage to the system.
    Is it possible to prevent the power from suddenly turning off even when the multi-function button is pressed?
    If the problem can be solved by modifying the firmware of EP-0136, I would like to modify the firmware of EP-0136.
    Could you please disclose the source code?
    Thank you.



  • Please refer to the wiki for back-to-ac configuration.


  • Hi
    @mandy, I've already read the Wiki.
    Since the Wiki doesn't mention it, I asked here.
    Please provide information here.
    Thank you.

     


  • It seems that there is a power peak when the Raspberry Pi is powered on, and the insufficient battery load capacity leads to a sudden power feed. At this moment, the battery cannot provide sufficient voltage, and an instant voltage drop below 3.7V may trigger protective power-off. Try replacing the battery, charging it fully, and then testing again. Additionally, it is recommended to use a power supply with 5V/3A to power the UPS.


  • Hi

    @mandy

    I didn't get an answer to my question, so I'll repeat my question.
    below:

    I am using EP-0136, but if I press the multi-function button by mistake, the power turns off.
    If Linux is suddenly powered off, it can cause serious damage to the system.
    Is it possible to prevent the power from suddenly turning off even when the multi-function button is pressed?
    If the problem can be solved by modifying the firmware of EP-0136, I would like to modify the firmware of EP-0136.
    Could you please disclose the source code?
    Thank you.


  • Could you please offer your UPS's S/N number by execute the python script in repository you download from github?  


  • @mandy  

    thanks for the reply

    Sorry for the late confirmation.
    I read the serial number from the UPS I currently have.
    In addition to this UPS, we have 33 other UPSs.

    The serial number was read using the tool we use.
    I don't know much about GitHub's Python code, so...

    =================================================
    Voltage of UPSs MCU: 3325 (mV)
    Voltage of Pogopins Bottom: 4974 (mV)
    Voltage of Batteries Terminal: 4212 (mV)
    Voltage of USB-C Charging Port: 5232 (mV)
    Voltage of MicroUSB Charging Port: 0 (mV)
    Batteries Temperature: 42 (℃)
    Full Voltage: 4210 (mV)
    Empty Voltage: 3700 (mV)
    Protection Voltage: 3700 (mV)
    Battery Remaining: 99 (%)
    Sample Period: 2 (Min)
    Power Status/Operation Mode: 1 (Bool)
    Shutdown Countdown : 0 (Bool/Sec)
    Back-To-AC Auto Power up : 1 (Bool)
    Restart Countdown : 0 (Bool/Sec)
    Reset to Factory Defaults : 0 (Bool)
    Cumulative Running Time: 843 (Sec)
    Accumulated Charging Time: 871 (Sec)
    Running Time: 422 (Sec)
    Version: 14 (Fixed)
    Battery Parameters self-programmed: 1 (Bool)
    Serial Number1: 0x0E (Fixed)
    Serial Number2: 0x00 (Fixed)
    Serial Number3: 0x35 (Fixed)
    Serial Number4: 0x00 (Fixed)
    Serial Number5: 0x19 (Fixed)
    Serial Number6: 0x53 (Fixed)
    Serial Number7: 0x57 (Fixed)
    Serial Number8: 0x42 (Fixed)
    Serial Number9: 0x32 (Fixed)
    Serial Number10: 0x33 (Fixed)
    Serial Number11: 0x32 (Fixed)
    Serial Number12: 0x20 (Fixed)
    =================================================

    Thank you.


  • I've run the python code so I'll add it.

    ------------------------------------------------------------
    ------Current information of the detected Raspberry Pi------
    ------------------------------------------------------------
    Raspberry Pi Supply Voltage: 4.960V
    Raspberry Pi Current Current Consumption: 795.795 mA
    Raspberry Pi Current Power Consumption: 3952.902 mW
    -------------------------------------------------- ----------
    -------------------Batteries information-------------------
    -------------------------------------------------- ----------
    Voltage of Batteries: 4.196V
    Battery Current (Charging) Rate: 971.951 mA
    Current Battery Power Supplement: 4078.049 mW
    Successfully set the protection voltage to: 3500 mV
    UID:0035000E/42575319/20323332
    ------------------------------------------------------------


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