I've been in contact with Lithium battery co, I've worked with them in the past. The above link I posted does not really have any batteries they recommend for vehicle starting because the battery management systems in those are not really designed for starting applications may become damaged over time.
They have recommended a battery for the Viper application, it is one that is not on the website. The list price is ~$500, it weighs 8.4 lbs. I am looking to see if I can get a better price from them.
They recommend a specific charger, they have a deal with Pro Charging Systems with dedicated algorithms for their batteries. Anyway I'm looking into this further.
Doug
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