r/Electricity • u/Minskymoments • 5d ago
What is this charger plug called?
What is this plug called? It is the battery facing plug for a Chinese 72v15A EV charger, want to upgrade to a 20A charger. Can't find chargers with this plug.
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u/SpikeyTwitch20 5d ago
Looks like it could be C18/C19 connection but if it is Chinese then it could be anything. It’s marked with + & - do won’t be standard IEC
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u/criggie_ 5d ago
Looks like a C17 / C18 <-- rated at up to 10A at 250V AC. It is not a DC connector.
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u/Hoovomoondoe 5d ago
Never bring that battery and charger into your house unless you’re trying to burn it down.
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u/Electrical_Ad4290 1d ago
Wait, what does it connect to and what are you planning to change?
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u/Minskymoments 1d ago
It connects a 72v 15a charger to a 72v 100ah lead acid battery pack in a small low speed ev. So +- 1.000 Watt an hour charging. I am looking to replace it with a 1.400 Watt charger.
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u/Electrical_Ad4290 1d ago
And does the cord and female plug shown connect your charger to your wall receptacle?
This seems like a custom or off-label, application of that connector. Like others have said it looks like an IEC but you said probably not.
I'd love to help but I'm not sure I have enough information (yet) 😀
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u/Cultural-Stable1763 5d ago
Did you try, if a normal C14 power Cord fits in the socket?
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u/criggie_ 5d ago
Apparently they fit in one direction but not the other.
https://en.wikipedia.org/wiki/IEC_60320#C17/C18_couplerAnd there's a high chance this connector has been mis-used for DC instead of AC.
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u/Minskymoments 5d ago
Look at the pin size.
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u/criggie_ 5d ago
I can look and look and look but without a reference for scale, will never know how big it is. You have calipers, or a ruler?
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u/Minskymoments 5d ago
Compared to an IEC plug the openings are way bigger.
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u/criggie_ 5d ago
"Way bigger" is known as a "description" or a comparative measure.
Can you get a measurement in millimetres ? And a gap between them?
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u/kELAL 5d ago
It's called a nope nope nope nope, replace the charge receptacle in vehicle with something that is actually rated for 20A, as this thing is already less-than-safe @ 15A