Difference between Marine batteries vs Car batteries?

[John Doe]

Just something I’ve always been curious of.

What are the differences between a “Marine” battery vs Car batteries? I see a Dakota 12V Lithium (LiFePo4) 100Ah for $900 compared to brands like Limitless’ 25Ah at about $800.
I’m sure there has to be a reason I haven’t seen anyone run any despite usually seeing higher Ah marines being cheaper than the Car batteries.

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[shrandal]

marine batteries are made to discharge up to 50% where as car batts only discharge to 80% before damaging the cells they also generally have a slightly lower cca

 

[Popwarhomie 5,000+ posts]

Those Dakota Lifepo4s can not be used for car audio. They have a low discharge/charge rate. They are designed for low amperage draws for a long period of time.

 

[John Doe]

Those Dakota Lifepo4s can not be used for car audio. They have a low discharge/charge rate. They are designed for low amperage draws for a long period of time.

If it’s too good to be true it probably is