murcivu Report post Posted April 19, 2016 Decided to open the cover and saw this. What brand is a good replacement? Also, is there already a "built in" plug for the battery tender or do you have to connect your own? Quote Share this post Link to post Share on other sites More sharing options...
djantlive Report post Posted April 19, 2016 You sure that is a leak? Looks like it could be a protective coating. The hardwire for tender would be connected to the positive terminal and a negative ground such as a chassis bolt. Quote Share this post Link to post Share on other sites More sharing options...
Chipster Report post Posted April 19, 2016 Yeah, AGM or Absorbed Glass Mat batteries are supposed to be leak free I thought. Are you have power issues or just happened to see that? Quote Share this post Link to post Share on other sites More sharing options...
key03 Report post Posted April 19, 2016 It sure looks like a spray on protective coating to me that went a little out of control. I know the Permatex version is purple. I have seen red also, but never yellow. Quote Share this post Link to post Share on other sites More sharing options...
IanMan Report post Posted April 19, 2016 Dielectric grease? If your battery was leaking, I think it would have a crusty residue by now. When was your car last serviced? It's possible this was just a precautionary measure or courtesy that they provide to prevent corroding terminals. Quote Share this post Link to post Share on other sites More sharing options...
Diablo_692 Report post Posted April 20, 2016 Yeah, AGM or Absorbed Glass Mat batteries are supposed to be leak free I thought. Are you have power issues or just happened to see that? Agree with Chipster that since it's an AGM battery and not a flooded cell, lead acid battery, what I see in the picture you provided is not a leak. I suspect that yellow stuff on and around the terminals is some type of anti-corrosion "pookey" (technical term). :-) Quote Share this post Link to post Share on other sites More sharing options...
murcivu Report post Posted April 20, 2016 Just got the car and happen to open the cover and saw that. My first instinct was leakage. I know nothing about batteries. Thank you gentlemen for the reassurance. BTW...where does everyone run their wires for the battery tender? Quote Share this post Link to post Share on other sites More sharing options...
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