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Old 03-01-2021, 12:05 PM   #1 (permalink)
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Electrical Connector Identification

I managed to break the charge plug for my mini Segway. It's a 4 pin round connector on a 63v 1.9a power brick.

I'm trying to locate the plug so I can solder a new one on, but don't know what it's called or what to search for. 4-pin round connector gives results, but I'm not sure the ones I need.

It looks like this;


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Old 03-01-2021, 02:43 PM   #2 (permalink)
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Dunno. Not having much luck finding a 4-hole version of the plug (everyone else uses 3).

Buy the whole charger for 10 bucks:
https://www.aliexpress.com/item/1005001992618260.html
(though you'll be waiting a while for it to arrive)

Oh, here we go...

https://www.ebay.com/itm/GX16-GX20-G...n/184130683596

GX16, 4-pin female, at a guess...the number after GX refers to the diameter, in MM of either the plug or the socket...

this should clarify:
https://www.renhotecpro.com/gx16-connector-data-sheet/
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Old 03-02-2021, 09:37 AM   #3 (permalink)
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Being late to the party, but it looks like a microphone connector for commercial sound equipment. Ampex , maybe.
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Old 03-02-2021, 02:36 PM   #4 (permalink)
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I cut the broken 4-pin connector off and found there are only two 18 AWG wires.

I'll see if I can find a female connector that will fit the male ends on the Segway and just be careful to hook it up correctly until the 4-pin connector arrives.

EDIT- Just found this image;



I measured the male end of the connector at 11mm diameter. Since I don't see a 10mm version of the plug I'll assume it's actually 12.

I ordered a GX12 connector from Ebay, but it will probably take a month to get here from China. $1.59 shipped to my door if I'm willing to wait.
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Last edited by redpoint5; 03-02-2021 at 02:49 PM..
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Old 03-18-2021, 12:06 PM   #5 (permalink)
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I got the connector from China already even though it was supposed to take a couple months.

Couldn't find any info on the pinout online, so I took an educated guess that pin 1 was positive, and pin 2 was negative. I was getting slight voltage off those 2 pins from the Segway and figured that meant they were the live pins.

I guessed correctly and now the thing is charging. Happy to have fixed it for $1.59.


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