What should absorption time be on 110ah lead acid anyone know
This depends a bit on you battery and setup. Typically this would be in the 4 to 6 hour range, to allow the true battery charging current to tail down to ~4%C (in your case ~5A) giving 100% charge.
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Depends on if they are flooded or agm or gel.
Also depends on depth of discharge as well.
There is a bit of a read available here.
What does the manufacturer recommend?