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Buell Forum » XBoard » Archive through March 30, 2014 » Battery tender melting to battery? « Previous Next »

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Gregoxb
Posted on Monday, March 10, 2014 - 03:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I checked in on my XB today that has been in hibernation the whole winter. Noticed the positive wire going into the battery from the tender superficially melted a little bit into the surface of the battery. The melting occurred at the point where the little fuse box is on the positive tender wire just before it connects to the battery. It was extremely superficial, and everything seems ok.. Just wondering why that happened?
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Teeps
Posted on Monday, March 10, 2014 - 12:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Photo?
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Gregoxb
Posted on Tuesday, March 11, 2014 - 10:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)



The positive wire from the battery tender at the point where the 75 AMP fuse is (green circle), lightly melted into the surface of the battery (red circle).
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Teeps
Posted on Wednesday, March 12, 2014 - 12:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I doubt this melting was caused by an electrical short.
The wire insulation would be charred and the wire brittle.

Friction between the seat, fuse holder and battery, is the likely cause.

Reposition the tender wire so the fuse holder is on on top of the battery.
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Callawegian
Posted on Wednesday, March 12, 2014 - 01:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I agree it looks like a friction problem not an electrical issue. I put the fuse on the side of my battery last night when I replaced it.
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Natexlh1000
Posted on Wednesday, March 12, 2014 - 03:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It may also be related to the sticker on the top of the battery. Perhaps the adhesive loves the rubber?
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Gregoxb
Posted on Wednesday, March 12, 2014 - 10:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I moved the cable like advised.

You can't really see it in the picture, but the plastic sticker is curdled as if though it were melted. It has a 75 AMP fuse in there, so I'm wondering if it can get warm enough to start melting plastic film?

This is the tender I am using:



(Message edited by gregoxb on March 12, 2014)
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Ekass13
Posted on Wednesday, March 12, 2014 - 11:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Normal
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Callawegian
Posted on Thursday, March 13, 2014 - 03:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I am not sure it is 75 amp, I am thinking that they are 7.5 amp fuses.
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