Kraton Reverse polarity
- Thread starter Ed Montir
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The positive red wire should be on the flat side and the negative black wire on the rounded side. Do not plug it into your ESC until you figure out the problem.
If the wires are on the right spots check to make sure you haven't plugged the banana plugs going into your charger backwards.
If the wires are on the right spots check to make sure you haven't plugged the banana plugs going into your charger backwards.
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Get a multi meter on the terminals to ensure polarity. Cant trust china for anything.
- Thread starter
- #4
That’s how it looks here too. The red wire is on the flat side. Maybe they messed up and wired it opposite on the battery.
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Try plugging another battery into your charger too see if you get the same message. If you don't get the reverse polarity warning then it's an issue with the battery. They may have just soldered the wires in wrong but if that's the case I wouldn't trust that battery. I would return it.
jkflow
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I doubt that can happen. Can you attach a pic?
- Thread starter
- #7
All other batteries work fine on charger. It’s only this one. It looks good except for the polarity
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Yeah that looks right. But if they made the mistake of reversing the wire, what other mistakes may have been made to the pack
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What does the connection to the charger look like
jschlosser0405
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Is the balance lead plugged in properly to charger?
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Yes, need a picture of the entire setup. Should have been more specific.
Your Lipo looks normal and wires look right.
These get checked at the factory, I doubt they got that wrong.
Do not connect to your ESC just yet, just in case.
Your Lipo looks normal and wires look right.
These get checked at the factory, I doubt they got that wrong.
Do not connect to your ESC just yet, just in case.
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Yeah I have one of those same chargers everything definitely looks correct I would think that the battery is reversed try a different battery and see what happens
What is the voltage of each cell?
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XT90's and most any connectors are labled +/- .
If the lipo pack was wired internally reversed polarity. That's just bad QC
Good thing that pack wasn't connected to the ESC yet. Few ESC's have reverse polarity protection. Some not all.
Any modern decent charger will have reverse polarity protection.
If the lipo pack was wired internally reversed polarity. That's just bad QC
Good thing that pack wasn't connected to the ESC yet. Few ESC's have reverse polarity protection. Some not all.
Any modern decent charger will have reverse polarity protection.
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Looks like your doing everything right. I wouldn't reverse the connectors though. Especially since it's now saying no battery detected instead of polarity reversed. Have you tried checking with a voltmeter? Maybe battery shorted out internally.
Can the charger read the voltage on each cell? If you swap any of the red wires in the balance port it will totally jack up the cell voltages and it might confuse the charger.
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All I will need is the balance plug plugged in to give you a cell voltage
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Any DVM meter will show if there is Reverse Pol at the Main leads. As a final check. If so, send the lipo back, or just re solder the connector correctly ignoring the red and black wires that are reversed. Polarity at the connectors matters, Color of wires means nothing. But just maybe the Lipo is all jacked up with the balance lead wiring? Also easily checked with a DVM.
Also easily checked with a DVM.
