Car Battery Spot Welder

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  • Bowline
    Dell E6400 PT434 type Battery Charging Stuck at 1%. Battery Pinouts?
    by Bowline
    My question pertains to understanding the control circuity inside a Dell PT434 type battery used in Dell E6400, E6410 and other Dell notebooks?

    Does anyone have a circuit diagram for the inside of a Dell PT434 battery and/or a description of how the control lines work to control this battery?

    My reason for asking is I have a battery which I cannot get to charge beyond 1% in a Dell E6410 or E6400.
    The LED bar graph charge indicator on the battery shows one LED lighted when the info button is pressed.
    I have tried multiple different Dell power adapters. My Dell...
    06-11-2025, 10:13 AM
  • sam_sam_sam
    Is there any high current pouch battery that are size 60mmX80mm maximum thickness 21mm for a battery operated tab welder
    by sam_sam_sam
    I have a battery operated tab welder and the battery does not have enough current for the battery tab welder because after about 30 welded it does not have the same current output it voltage has gone down by at least 0.500 volts or maybe a more than that

    I can fit 21700 battery cells in the enclosure it is very tight fit for four of them that are 35 amp high current capacity 35X4=140 high current output this should work a lot better than what is installed right now

    I tested the battery cells there are installed right now and they are testing good with no issues that I...
    02-04-2025, 08:08 PM
  • sam_sam_sam
    New Super Capacitor 5v DC Battery Spot Welder with a 12 volt power supply
    by sam_sam_sam
    This is a new item at Battery Hookup that I bought I have always wanted to buy a good capacitor battery stud welder but they are to expensive for my budget that I want to spend on one this was surprisingly moderate price for what it can

    It came by FedEx today so I decided to try it out on some tabbing that my battery stud welder has a little issue making constantly welded with out having to redo some because it would not get hot enough to do it properly

    Well right out the box when the super capacitor charges up with the setting as follows does a very good job the first...
    05-21-2023, 04:28 PM
  • mkdj
    ASUS X571 no power : battery issue?
    by mkdj
    Hello everyone,

    Mark and model: ASUS X571
    Symptoms: not turning on. There is only the LED battery indicator working. The owner of the laptop told me this problem arrived one week after having changed the battery. He then managed to power on the laptop only once, and then it never powered on again.

    Tests already made:
    - Battery is charging when laptop is plugged in. The LED battery indicator turns white after a couple of hours of charge, indicating that battery is fully charged. However, laptop won't turn on anyway, with or without AC plug.
    - I have removed...
    07-14-2025, 09:16 AM
  • sam_sam_sam
    Modifing a Battery Spot Welder because of Controller Issues
    by sam_sam_sam
    I keep having the same exact issue with these battery spot welder controller boards

    They either do one of two things

    One the controller does not send the signal for the transformer fire which is a very common problem with this controllers micro controller failure

    Or

    The controller has some malfunction which means that it does not cycle the pluses more than once or none at all and should do it any where from 1 pluse to 20 pluses because you can not change the setting does not respond to its input micro controller failure

    This...
    10-12-2019, 08:51 AM
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