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Re: Adding Auxiliary Battery and necessary parts
MuddyAxles #750970 July 26th 2019 2:31 am
Joined: Apr 2010
Posts: 2,847
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Spiral cell agm batteries like Optima or.exide orbital, excel where physical.stress on the battery casing itself.is a.concern. They have slightly more.vibration resistance then regular.rectangular agm batteries too.

Optima batteries, when they were made in the Usa. Before.johnson controls.aquired them and moved production to Mexico..somewhere around 2005. They Were very good batteries. Quite resilient to abuse. They'd retain capacity andncranking amps.quite well.
Sadly they are now nowhere near the same build quality. They still live on their.marketing, and their former reputation. I'd personally never waste money on one..

Spiral cell batteries have 1/4 to 1/3 The energy storage capacity of a rectangular agm battery of the same.size group/footprint.and height.
. They are a poor.choice for deep cycle.duty. for this reason.

My nearly 6 years of battery life includes over 1100 deep.cyles as well as engine starting duty.
6 years in starting duty only..with a slightly deeper.discharge here and there, is a casual stroll through a park, in comparison.

Best of.luck.with the.Optima. I hope you can get your money's worth from it..

Re: Adding Auxiliary Battery and necessary parts
MuddyAxles #750978 July 26th 2019 11:11 am
Joined: Feb 2002
Posts: 522
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If I get another 6 years I'll be happy. My van sits for months at a time in the winter.It always starts when I need it. I play the stereo till it's almost dead at a truckin, fire it up and drive home. If that works for 6 years again that's good enough for me. If it lasts 6 more I'll be 79. I might not care after that. I've had this van 29 years and I'm just starting on my 4th battery.

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