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Thread: SkyRC — IFA 2014 — MC3000 charger-analyzer

  1. #5101
    Flashaholic
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Quote Originally Posted by Wrongway View Post
    I still have 1.13 firmware. I don't have any LTO cells so is it worth me upgrading to 1.14? As I can't find a changes list I don't know if anything else was added/changed/repaired.
    Post #6 in this thread has a list of the changes in FW 1.14.

    Frank

  2. #5102
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Quote Originally Posted by fmc1 View Post
    Post #6 in this thread has a list of the changes in FW 1.14.

    Frank
    Ahh thanks. I was looking on the SkyRC site for a list.

  3. #5103
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    DDV not present in FW1.14.
    Last edited by inetchik; 06-26-2018 at 09:06 AM.

  4. #5104

    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Quote Originally Posted by inetchik View Post
    DDV not present in FW1.14.
    I wish there was a changelog on the first page of this thread... :P

  5. #5105
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Wow. tl;dr

    From what I could comprehend after reading some posts and searching in this thread I decided to buy a SkyRC MC3000 off eBay. It came in fast and I had it running the second night I had it. Much more options to charge and condition my batteries. I found the simplistic recording app from SkyRC not well developed and I didn't use it. I was able to update the firmware quite easily. I am finally figuring how to set up the different charging programs for the different cells I have on hand which isn't much. I just bought a Uniden BCD436HP scanner so I stocked up on some Eneloop Pro AA cells. i already have a bunch of 18650 Li-ion cells of varying capacities and age so I'm checking on how much capacity they still have after all these years.

    I have a MAHA MH-c808m that I sent back for repair and that worked out well for 6 years until it would not charge on three of the charging bays. I also have a Pila IBC charger that worked out fine after all these years charging my 18650 cells. But now I want to really understand how well my cells are doing and to keep them in top shape. I also bought a Xtar Dragon VP4 prior to the SkyRC MC3000 as I liked the different options it had. So I will be set up well enough into the future with all these chargers on hand to keep my cells running well. Thanks for all the info that I was able to read on this huge thread. It gave me a better understanding on what I should be doing and keeping my eye on. Aloha and mahalo!

  6. #5106
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    • (k#90) in TOV, not clicking <UP/DOWN> but long-pressing the button should invoke DDV (CONFIRMED, FIXED, TESTED)


    Why has it been changed?

  7. #5107

    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Can someone post a link to the latest version of this charger please?

  8. #5108

    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Quote Originally Posted by STIXXXXX View Post
    • (k#90) in TOV, not clicking <UP/DOWN> but long-pressing the button should invoke DDV (CONFIRMED, FIXED, TESTED)


    Why has it been changed?
    Because when using the program shortcuts UP/Down + SNB , you had a big chance ending in DDV instead, if the timing of pressing both buttons wasnt perfectly synchronized.

  9. #5109
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    Default Re: SkyRC — IFA 2014 — MC3000 charger-analyzer

    Quote Originally Posted by luciof View Post
    Update: after replacing the MCP3424 chip, the "MCP3424-1 Err" Warning has gone (I guess a "MCP3424-2 Err" would pop out when the other chip fails).
    After a painful reassembly and a quick check, everything works fine.

    I'll do a more thorough test as soon as I find the time.
    Just wondering, I don't suppose there are any further updates to this problem?
    My unit has been working fine getting minimal use, admittedly connected to a bunch of 12V batteries powered by a solar panel (via a regulator).

    Despite the input voltage range of the charger saying 11-18V, and my input never being below 12V (there's a car battery and 8 x 7.2Ah 12V SLA batteries connected to an 80W solar panel only running this charger), it's quite common to get a "Low Voltage Warning" when I connect the power to the MC3000 - but it goes away and operates - er - has operated - fine when I just hit the Return key.

    I left a single NIMH AA battery charging in slot 1 (0.7A) - it finished charging yesterday but I left it in there - and this morning I come to get it and see the MCP3424-1 Err message.

    I don't know of any damage to the spring-holding posts, and I've not opened the case at all (yet).

    I guess I'll have to try to replace the MCP3424 chip - but just thought I should check for any updates on the topic, and share my experience.

  10. #5110
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Quote Originally Posted by DeJaVu View Post
    Because when using the program shortcuts UP/Down + SNB , you had a big chance ending in DDV instead, if the timing of pressing both buttons wasnt perfectly synchronized.
    Ah, thanks. I never knew you could use the shortcuts, when a slot is already charging. Makes sense then

  11. #5111

    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Hello,
    Do you know if I have to redo my calibration procedure after firmware update ?

    Thank you

  12. #5112
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    So.... My plug was still on and I plugged in my charger. Little blue spark and nothing from the charger! Power brick still shows red LED but charger is dead. Any ideas?

    Tested the brick with a multi, still putting out 15V DC.
    Last edited by wheniwake; 08-23-2018 at 04:26 PM.

  13. #5113
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    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Quote Originally Posted by Dubalgan View Post
    Hello,
    Do you know if I have to redo my calibration procedure after firmware update ?

    Thank you
    Hi, no need to redo calibration.

  14. #5114

    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Hello, which settings would you advice for standard AA eneloops? After reading a bit through the forums, I configured for Refresh cycle (via BT):

    Capacity: off
    Charge current: 1A
    Discharge current: 0,4A
    Charge cut current: 0,1A
    Discharge cut current: 0,4A
    Charge cut voltage: 1,65V
    Discharge cut voltage: 1V
    Cut temp: 45C
    Cut time: off
    Rest time: 15m
    Restart voltage: OFF
    Delta V: 3mV
    Tricke C: OFF

    Should I for example set the Capacity, Cut time (as a safety measure). Are the other values OK?

    Thanks
    Peter

  15. #5115

    Default Re: SkyRC — IFA 2014 — MC3000 charger-analyzer

    Hi everyone!
    I am fairly new to the LiIon batteries and have recently acquired a SkyRC MC3000 charger. Which I have found to be exceptional.
    I have read almost through the whole thread, and did some research online on the charger, features, data logging, connection and so forth.

    I have played around with it doing some datalogging on my Window Computer with DEX, and have initiated the process of setting up a Raspi 2 B for logging data without the need for an external computer. I have done extensive searching to put the required pieces of information together on how to set up the whole system.

    I would like to have the Pi to work as an external datalogging without the need of user intervention for later data retrieval.


    So far, I have not found any detailed instructions on how to accomplish what I would like to achieve. These are the main things I would like the system to perform:


    • Upon plugging the Raspberry, it should automatically start DEX (for which there are some instructions).
    • It should also start automatically data retrieval.
    • It should automatically save datalogs (continuously or every xx time) a .CSV (preferred) or .OSD to a specified folder.
    • It should have a shutdown button to stop logging, close DEX and shutdown Raspbian (this could be accomplished by some scripting and digital inputs).
    • It could be a great addition to have DEX incrementally change folder or filename of output upon the push of a button (to log data from a different set of batteries and keep track of them.)


    If you could launch DEX using command line, specifying device and output that could help.
    Perhaps there is a better alternative which is to dump raw data coming from the charger into a CSV file (Python?).

    I will really appreciate if you could share your updated implementations. Please feel free to move this post into a new thread if you feel like so.


    Thank you!

    Regards

  16. #5116

    Default Re: SkyRC — IFA 2014 — MC3000 charger-analyzer

    Quote Originally Posted by Gaudi View Post
    Hi everyone!
    I am fairly new to the LiIon batteries and have recently acquired a SkyRC MC3000 charger. Which I have found to be exceptional.
    I have read almost through the whole thread, and did some research online on the charger, features, data logging, connection and so forth.

    I have played around with it doing some datalogging on my Window Computer with DEX, and have initiated the process of setting up a Raspi 2 B for logging data without the need for an external computer. I have done extensive searching to put the required pieces of information together on how to set up the whole system.

    .....
    I was also thinking about combining a raspberry pi with a skyrc mc3000 to do some nice (low power) data logging. Please post about your progress (and results)!

  17. #5117

    Default Re: SkyRC — IFA 2014 / CES 2016 — MC3000 charger-analyzer

    Quote Originally Posted by pse View Post
    Hello, which settings would you advice for standard AA eneloops? After reading a bit through the forums, I configured for Refresh cycle (via BT):

    Capacity: off
    Charge current: 1A
    Discharge current: 0,4A
    Charge cut current: 0,1A
    Discharge cut current: 0,4A
    Charge cut voltage: 1,65V
    Discharge cut voltage: 1V
    Cut temp: 45C
    Cut time: off
    Rest time: 15m
    Restart voltage: OFF
    Delta V: 3mV
    Tricke C: OFF

    Should I for example set the Capacity, Cut time (as a safety measure). Are the other values OK?

    Thanks
    Peter
    AACycler did some interesting tests that might help you determine the optimal settings.

    For charge current: http://aacycler.com/post/high-current-vs-low-current/
    For charge cut current voltage: http://aacycler.com/post/discharge-cut-off-comparison/
    For Delta V: http://aacycler.com/post/charge-algorithm-comparison/

    For LSD (Low self discharge) cells HKJ prefers no trickle charge.

    To prevent overcharge I would set a maximum capacity and cut time.

    Edit: Also some information from HKJ's review of this device:

    NiMH

    Be careful with charge current, using anything below 0.3C will probably miss termination on AA/AAA cells. I mostly uses around 0.5C.
    To keep the cells safe if the terminations is missed use a capacity limit between 130% and 150% of the cells capacity and a timer cutoff calculated as capacity/current*1.4, i.e. for a 2000mA cell at 1A it is 2000/1000*1.4 -> 2.8 hours -> 2 hours 48 minutes.
    FOr NiMH the -dv/dt setting must be as low as possible, I used 3mV for my test, but a lower value might be even better. Too low value will not damage the cell, but might give early termination.
    LSD cells do not need any trickle charge, for other cells a 10mA trickle charge can be used, but it not really needed either (Some manufactures recommend a time limited trickle charge after a -dv/dt charge).

    Official termination voltage for NiMH when discharging to measure capacity is 1 volt, but there is no problem going lower (like 0.8 volt).

    With NiMH the cycle mode can be used to refresh cells that has been unused for some times.

    break_in is the official way to measure capacity, but this will first work when the charger software is fixed.
    Last edited by NiMHi; 09-10-2018 at 10:47 AM.

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