Boiling Battery
Has anyone experienced a boiling battery? On Free Spirit this week we had one almost start a fire! sail # 408 is a three cabin Mark I model, with two batteries under the port aft birth. It was one of...
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The same thing happened to me! I am in the process of replacing all the batteries and the 2x4 hold downs. Most of the cells were dry or severly low and the hold downs were not burned by temp but...
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There is a phenomenon called thermal runaway. Basically, a cell shorts in the battery causing a drop in voltage. The charger senses the drop in voltage and begins bulk charging. The bulk charging...
View ArticleRe: Boiling Battery
There is a phenomenon called thermal runaway. Basically, a cell shorts in the battery causing a drop in voltage. The charger senses the drop in voltage and begins bulk charging. The bulk...
View ArticleRe: Boiling Battery
Awesome... I,m going to check the info booklet that came with the charger and see if in fact it has a thermal sensor. Thanks again mark Izablue, #835/3
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Our batteries are charged via a Heart Interface 2000 with a temperature sensor. But there is only one sensor. So I have isolated all our batteries and when leaving the boat for extended periods make...
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Sashay described the thermal runaway accurately. Another thing to look for is the charger. The older ferro-resonant chargers can lose their regulation ability by some mechanism I don't have full...
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We had the same situation , boiled 2 4yr old house batteries but not the windlass battery even thou the battery switch was on all. We had a Charles 40 amp charger 4 yrs old with a 5 year warranty. I...
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The battery charger is a Newmar HDM 50 and is no longer made. Newmar is recommending a repacement with a PT40 CE. We have removed the old battery and are running on the second bank. A new battery on...
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So, if one keeps the batteries topped off with distilled water, is this boiling issue a non issue -- or is it still a charger problem ? Thanks for reminding me about the windlass battery CAthy in CT
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Here is the latest on Free Spirit. Newmar, the battery charger company, confirmed my analysis that there new chargers only monitor a single battery bank. This is not good enough for the 42 with two...
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That is an interesting comment from Newmar. A ferroresonant charger is exactly the wrong type for live aboard situations. A direct quote pulled from the Newmar web site: "Automatic self-limiting...
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I've recently read a Practical Sailor treatment of battery chargers that waxed pretty positive on a new Xantrex that (allegedly) does just that. Monitors three different battery temps and voltages,...
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Something made me get up this morning at 3am. Don't know what it was but something. I wandered around the saloon wondering what I could smell. Checked the engine bay. Nope, not diesel. Checked...
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