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Inside the TCMax charger

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Posts: 66
 mrj
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(@mrj)
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Joined: 4 years ago

The charger that came with my TCMax failed a couple of months ago.
It stopped charging and went into the red/green LED flashing mode.
I could hear a quiet click every few seconds like a small relay operating.
It was out of warranty so I started looking for alternatives.
I found and followed these excellent instructions https://titimus.co.uk/super-soco/charging so now I have a cheaper, faster, (but much noisier!) replacement.

This evening I took the old one to bits.
Inside it is completely "potted" https://en.wikipedia.org/wiki/Potting_%28electronics%29
Even the heatsinks are surrounded by the stuff, and not in contact with the case.
I hope the compound was thermally conductive!
It was quite crumbly and brittle so I spent an hour removing as much as I could, revealing the internals.

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Posts: 66
 mrj
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(@mrj)
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Joined: 4 years ago
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(@rarelyseen)
Joined: 12 months ago

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Posts: 1

@mrj How many wires from the super soco side are connected looks like a few are cut off and 1 goes to the negative

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Posts: 42
(@lostit)
Eminent Member
Joined: 2 years ago

Are you Miktheyob on reddit? they had same charger, this isn't an official charger and is fake.

 

https://old.reddit.com/r/SuperSoco/comments/yh4sux/tc_max_charger_unfixable/

 

That grey stuff is to give the charger more weight to make it feel more expensive. My Charger has none of that grey stuff in.

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 mrj
(@mrj)
Joined: 4 years ago

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Posts: 66

@lostit No that's not me. Looks like they're in Australia. I'm in the UK.
My charger is genuine. It came with the bike, which was brand new, from a dealer 3 years ago. No doubt they revised the design / manufacturing.

The potting compound (the grey stuff) was light and rubbery, and compared to the heavy weight of the aluminium case, you wouldn't notice the extra weight. So I don't think its there to add weight. Usually electronics are potted to make them waterproof or provide mechanical security: there were several flimsy circuit boards sticking up from the main board, and potting the whole lot is an easy way of securing them.

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Posts: 177
(@flyingelectric)
Estimable Member
Joined: 5 years ago

Ain't so much repairs you can do on a charger. It could be a faulty connection on one of the wires from the charge connector to the charger that is causing the condition of blinking red and green. That's what I know in general but I don't know specifically on Super Soco chargers.

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Posts: 5
(@pervolianinen)
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Joined: 10 months ago

Posted by: @lostit

this isn't an official charger and is fake.

It's original charger  for 5A. Charge for 10A has cooler...

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