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<blockquote data-quote="Blazin_Jason" data-source="post: 6175231" data-attributes="member: 563679">Alright a couple days ago I was driving home after about 3-3.5 hours of driving, with a couple stops in between.&nbsp; When I was about 15 minutes from home I started to smell rotten eggs very badly.&nbsp; First I thought it was the ocean really smelling like shit for some reason, or the g/f.&nbsp; G/f got a free pass this time <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick out tongue&nbsp; &nbsp; :p" loading="lazy" data-shortname=":p" />&nbsp; Being tired as fuck and driving for too long I didn&#039;t put 1+1 together.&nbsp; After pulling in the driveway and turning off my truck I could hear something sizzling fairly loud from the back.&nbsp; I removed the cover above my battery and steam was coming out it seemed.&nbsp; It was so hot that you couldn&#039;t keep a bare hand above it within 3 inches or so.&nbsp; Luckily nothing was on fire from what I could see.&nbsp; The heat around the battery was unbearable and I was trying to get it disconnected as fast as I could.&nbsp; The terminals were hot and the case was also very hot.&nbsp; I couldn&#039;t touch it for more than 1-2 seconds while wearing mechanics gloves even after sitting for close to 5 minutes.&nbsp; It took 15-20 minutes to get it removed.&nbsp; All the while it is raging hot and sizzling while venting out the vent caps.&nbsp; It leaked a little acid out into my truck and down the case.&nbsp; The top of the case is slightly warped.&nbsp; I didn&#039;t get a video of the noise the battery was making as I just wanted it to gtfo.&nbsp; So once it was out I checked my front battery to see if it was warm.&nbsp; It was no hotter than usual being under the hood.&nbsp; You could touch it no problem and it seemed ok.&nbsp; Outside temp was about 30°C/~90F.&nbsp; Install is D34 Redtop under hood, RT in rear 1 1/2 years old both purchased new and wired in parallel, 2 + runs knu kol 1/0 to rear battery fused within 10 inches on both runs on each end, and mechman 250A alt installed 9 months ago.&nbsp; Charging voltage is slightly higher than stock tested at 15.2Volts, stock was 14.7.&nbsp; Checked my wires for shorts=none, fuses=fine and the stereo was still playing fine all the while.&nbsp; I thought I read that they could be charged to a max 15.6volts.&nbsp; Either way it&#039;s damaged and I am concerned about the underhood battery.&nbsp; Now I plan on getting a deka group 31 to put in the back but I don&#039;t want to damage that either.&nbsp; I will contact MM to see if I can or should lower the charge voltage down a bit.&nbsp; So I guess I&#039;m wondering was this user error or what?clifs: redtop vented acid damn near causing fire, battery fuckt, my bad?</blockquote>

[QUOTE="Blazin_Jason, post: 6175231, member: 563679"] Alright a couple days ago I was driving home after about 3-3.5 hours of driving, with a couple stops in between. When I was about 15 minutes from home I started to smell rotten eggs very badly. First I thought it was the ocean really smelling like sh[COLOR=Black]i[/COLOR]t for some reason, or the g/f. G/f got a free pass this time :P Being tired as f[COLOR=Black]u[/COLOR]ck and driving for too long I didn't put 1+1 together. After pulling in the driveway and turning off my truck I could hear something sizzling fairly loud from the back. I removed the cover above my battery and steam was coming out it seemed. It was so hot that you couldn't keep a bare hand above it within 3 inches or so. Luckily nothing was on fire from what I could see. The heat around the battery was unbearable and I was trying to get it disconnected as fast as I could. The terminals were hot and the case was also very hot. I couldn't touch it for more than 1-2 seconds while wearing mechanics gloves even after sitting for close to 5 minutes. It took 15-20 minutes to get it removed. All the while it is raging hot and sizzling while venting out the vent caps. It leaked a little acid out into my truck and down the case. The top of the case is slightly warped. I didn't get a video of the noise the battery was making as I just wanted it to gtfo. So once it was out I checked my front battery to see if it was warm. It was no hotter than usual being under the hood. You could touch it no problem and it seemed ok. Outside temp was about 30°C/~90F. Install is D34 Redtop under hood, RT in rear 1 1/2 years old both purchased new and wired in parallel, 2 + runs knu kol 1/0 to rear battery fused within 10 inches on both runs on each end, and mechman 250A alt installed 9 months ago. Charging voltage is slightly higher than stock tested at 15.2Volts, stock was 14.7. Checked my wires for shorts=none, fuses=fine and the stereo was still playing fine all the while. I thought I read that they could be charged to a max 15.6volts. Either way it's damaged and I am concerned about the underhood battery. Now I plan on getting a deka group 31 to put in the back but I don't want to damage that either. I will contact MM to see if I can or should lower the charge voltage down a bit. So I guess I'm wondering was this user error or what? clifs: redtop vented acid dam[COLOR=Black]n[/COLOR] near causing fire, battery fuc[COLOR=Black]k[/COLOR]t, my bad? [/QUOTE]

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