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Old 12-14-2019, 08:03 AM   #1
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Jump Starter

I recently left something on in my 2018 Dutch Star 4018 and ran the batteries down. It wouldn't start, eventually had to get a commercial truck outfit to come out and jumpstart it. $$$. Has anyone had any experience with a NUCO gb150. It is a 4000 watt jumpstart battery that claims to be able to start up 10L diesels? Retails for about $270.
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Old 12-14-2019, 08:58 AM   #2
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Did you try the boost switch on the dash? It connects the house and chassis batteries for that purpose.
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Old 12-14-2019, 09:04 AM   #3
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Yes I did. Made the mistake of leaving the coach for several days with the breaker switch left on. Not what I usually do, but I have a special talent.
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Old 12-14-2019, 09:56 AM   #4
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Watch this

https://youtu.be/JN8A2nIMUWA
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Old 12-14-2019, 04:37 PM   #5
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Dead battery and Generator

Would starting the generator charge the chassis batteries enough to start the coach?
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Old 12-14-2019, 06:00 PM   #6
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Couldn't get the generator to star either,
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Old 12-14-2019, 06:55 PM   #7
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Originally Posted by Davidlcyr View Post
Couldn't get the generator to star either,
We have dry camped and ran lights, frig, TV, and a few other systems for a couple days without letting our house battery bank get too low.

When you say "a few days" are you talking about 3 or 4, or are you really talking about 15 or 20? I just find it odd that that huge battery bank would not start your coach, or at least start the generator. And if you did leave a bunch of stuff on for 8 or 10 days inside the coach I'm still wondering why your starting batteries would be dead. You should have a small solar panel on the roof to help keep those charged.

You may have other issues.
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Old 12-15-2019, 03:32 PM   #8
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Recommend

I can't recommend the Jump-N-Carry JNC1224 3400/1700 Peak Amp 12/24V Jump Starter enough. This thing will jump semis, but it ain't cheap. It's over $350. I have carried one for years and have used it to jump people in RV parks and rest areas all over the U.S.
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Old 12-15-2019, 04:26 PM   #9
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Quote:
Originally Posted by Davidlcyr View Post
I recently left something on in my 2018 Dutch Star 4018 and ran the batteries down. It wouldn't start, eventually had to get a commercial truck outfit to come out and jumpstart it. $$$. Has anyone had any experience with a NUCO gb150. It is a 4000 watt jumpstart battery that claims to be able to start up 10L diesels? Retails for about $270.
Why not take those $'s and put them into a roadside assistance package like coachnet ? Then your covered for flats,towing,out of fuel,etc. I don't know how long the current jump batteries last, but I had one a few years ago and it lasted 2-3 years before it was shot.
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Old 12-15-2019, 05:44 PM   #10
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If I understand the results in the video, it appears that the cold soaked Li-ion starters don't work very well on the first crank attempt. It appears that they work better on each subsequent crank attempt and not reaching peak performance until the third, fourth or fifth crank attempt.

For me, that's good to know. The scenario that I envision is coming out to a cold, dead car. I'd grab the cold Li-ion starter battery from the trunk, hook it up and try to crank the engine. Based on prior experience with conventional lead acid car batteries, I would expect that the first crank attempt would be the most likely to be successful. If that first attempt failed, I might be inclined to give up. Not the case with the Li-ion starter batteries. I'll make several attempts before I give up.

Take care,
Stu
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