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Old 11-10-2019, 03:58 PM   #1
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2018 Anthem Chassis Battery Life Expectancy

How long a life should we expect out of our factory installed 2018 Anthem Chassis batteries....

Our coach was built Feb 2017 so it was an early 2018 model.

Thanks,

Steve and Daphne Stanford
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Old 11-10-2019, 04:42 PM   #2
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Your climate plays a large factor. I have a fleet of service trucks and here in the desert Southwest 2 to maybe 3 years tops.
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Old 11-10-2019, 06:03 PM   #3
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My anthem is a 2014 and I am still on my factory originals
So a good 5 years now... took it out this weekend and still starts strong.. I am always plugged in to 50 amp. Not sure if that helps..

Most batteries fail about 3 years in most of my vehicles
I am on my 2nd set of house batteries...

This is my experience at least..
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Old 11-10-2019, 06:28 PM   #4
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3 to 5 years in my experience. Climate and usage are variables of course. Changing them out proactively can be a good thing. Rather than changing them on a trip.
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Old 11-10-2019, 08:46 PM   #5
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Mine are still working after 6 1/2 years. I am surprised (pleasantly). I keep my coach plugged in all the time when it is in storage. Normally I would change them just based on time, but since in a pinch I can connect them to my new house batteries to get a start, I am now curious and trying to see just how long they will last.
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Old 11-10-2019, 09:26 PM   #6
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My 18Anthem replaced in less than two years! Noticed hard start conditions for over a year, spartan replaced them.
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Old 11-10-2019, 09:41 PM   #7
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My chassis batteries on my 2010 Discovery failed after two years. The replacement batteries I put in where working great after 7 years when I traded it in back in June.

I think 3-5 years are a good run.
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Old 11-11-2019, 07:35 AM   #8
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When the start getting slow to crank, replace them. I have had them last 3-5 years, always plugged in. The 14 Anthem batteries were 4 year old and still going strong when I sold it.
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Old 11-11-2019, 10:17 AM   #9
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Quote:
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When the start getting slow to crank, replace them. I have had them last 3-5 years, always plugged in. The 14 Anthem batteries were 4 year old and still going strong when I sold it.
We get LOW VOLTAGE light at every crank.... we stay plugged in ALL the time because we are in our coach almost full time.

We have been getting LOW VOLTAGE light after batteries were just a year old. We donít seem to have any slow to crank problems yet but we just were concerned since batteries will be 3 years old Feb 2017 since we are an Early 2018 model.

Thinking we need more cranking amps for next Chassis Batteries....

Thank you !

Steve and Daphne
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Old 11-12-2019, 02:35 PM   #10
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Low voltage during cranking may be normal. Where is the low voltage light that you are seeing?
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Old 11-12-2019, 04:33 PM   #11
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Low voltage during cranking may be normal. Where is the low voltage light that you are seeing?
I agree completely

Mine will show up on the dash light and the voltage drops but quickly recovers

Batteries are almost 5 years old and it has done this since new
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Old 11-12-2019, 04:39 PM   #12
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The low voltage light is due to the intake air grid heaters drawing 100 amps when you first start the engine.

That draw is more then the idle speed alternator can overcome. Once the engine warns a bit, the heaters shut off and everything returns to normal.
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Old 11-12-2019, 05:41 PM   #13
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The low voltage light is due to the intake air grid heaters drawing 100 amps when you first start the engine.

That draw is more then the idle speed alternator can overcome. Once the engine warns a bit, the heaters shut off and everything returns to normal.
X2.
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Old 11-13-2019, 10:59 AM   #14
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Low voltage during cranking may be normal. Where is the low voltage light that you are seeing?
On dash when we first crank and then it goes off in less than a minute....
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