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5.5 years on a East Penn MFG AGM Intimidator camper battery


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#1 RC Pilot Jim

RC Pilot Jim

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Posted 16 February 2021 - 10:40 PM

 I do Field Reports on my original Post where this one will end up.

 

On  September 2015 I replaced my 3.4  year old Intimidator with another Intimidator, in part because I was happy with it even though through stupidity I ran the battery too low several times which affected its life. Other reason it was still manufactured in America. 

 

The new one came with a 2 year guarantee. After 5.5 years it still Tests by my mechanic GOOD

 

Test Report 2/3/21 10:24am

 

Volts            12.69v

Measured   736 cca

Rating         710 cca

 

Starter Test    (Note its used an a camper battery not starter battery)

cranking       11.26v

 

Charging Test

 No Problems

 

No Load         Loaded

13.72v              13.64v

 

I attribute the long life to keeping the battery 99-100% fully charged all the time. I have a 150 watt solid panel on the camper roof. Last year because of Covid I drove the vehicle 3,533 miles in 12 months. Still the battery maintained at 99-100% fully charged. Camper is mounted full time on our truck. We store it under a carport on the northside of our house (mobile home). Our neighbor has a white roof facing south. We get enough reflection to maintain the battery.

 

Once it was 4 years old I had it tested  before that winters camping season. Each year its tested Good. I have asked the mechanic how long it will last? His reply, doesn't know for sure but it should last at least 5 years.

 

Another good way is to use a "Battery Tender"   We have something similar  that we use on board when camping  in bad weather. Its part of our basic electrical system in our shell. The night before leaving on a trip we will plug in electric power to run the fridge and maintain the battery overnight the first night. Then rely on solar and alternator on our trip. 

 

 


Edited by RC Pilot Jim, 16 February 2021 - 10:47 PM.

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Jim

Retired from truck camping June 2021

Our Basic Eagle/Fleet Shell Build


#2 Lighthawk

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Posted 10 April 2021 - 11:06 PM

Nice write up, Jim.  You're getting your mileage out of that Penn battery.  I've been negligent about keeping our previous AGM battery charged up when it sits in the garage.

 

Pretty nifty you can park your camper under cover, and get enough reflected light to keep the battery trickle charged.  The best of both worlds!


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2021 RAM 3500 Crew 4x4, 6.4 hemi/8 speed trans with 4.10 gears, Timber Grove bags, Falken Wildpeak 35" tires.

OEV Aluma 6.75 flatbed, Bundutec Odyssey camper on order for 2024

For this year we're still using our 2008 FWC Hawk with victron DC-DC charger, 130w solar, MPPT controler

with 2000w inverter and external 120v output and 12v solar input with 100w portable solar.   http://lighthawkphoto.com





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