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rvpopeye

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  1.  Yes , Warning Warning ! Danger Will Robinson !   Is correct !

    I was just thinking post a quick soldering 101 when I posted ....my life doing the shows was usually "emergency surgery" keep the show on time without access to parts , usually in the dead of night !!! LOL

    I'll change or delete the post if anybody thinks I should.  

    Personally , I carry a portable battery  for extended use beyond the built in batt capacity. 

    • Like 2
  2. Ya knowwwwww , I was just adding an edit to my last post ,,,, you could use the dead battery for practice BUT !

    It is possible to "jump start" a "dead" LiFePo4 batt with a little juice from a charged battery  !! sometimes they just get too low for the BMS to kick in,,,

    Parallel 'em up for a few seconds  20-30 and try charging again normally , try a little longer ?60 seconds?

    If that doesn't work , start practicing !

    • Like 1
  3. WTH , I'll give it a shot.

    101   

    On a battery , you need to heat the connection point but NOT the rest of the battery. A fairly hot tip is needed (~40 watt iron ,,,should be fine for this size job.) . Probably get away with the low setting on a gun  but it will be QUICK !        and leave the torch for other jobs PLEASE !    

    A cooler tip will take forever and heat the joint as well as the whole battery and not hold very well or conduct electricity that well either.... this is called a "cold" joint . You don't want one of those !                    No , I didn't make that up ! LOL

    Warning : you will need to grow a third hand and maybe a fourth ! LOL  Use a clamp or a vise ,carefully. Optionally a volunteer whose fingers are not yours may be involved ....but I digress.....

    OK ,READY ?

    Place the iron to the battery with the wire in between , and touch the solder a little away from the contact point , heat just till just after the solder starts to melt ,remove the tip and quickly move solder end to the wire and flow more in till you have a good coverage but not a big puddle (you should still see the shape of the wire but no bare spots.... (if it starts to bind up apply a little more heat)

    A good solder connection looks smooth , wet and shiny , if it doesn't do it again.  BUT let it cool down first .

     

    This lesson was free , at least worth what you paid ,,mess up ( I mean practice) all you want but don't complain OK ?  

    Actually practice might be a good step 1 ... It's really easy though, I learned when I was 10  ! ( use the dead battery !)

    The factory "pros" actually use a mini spot welder , and I could tell you how to rig up a likely MacGiver replacement but lets not go there today  !! 

     

     

     

     

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