Battery drain (no alarm etc.,) on Freelander V6 ES (year 2000)

Hello .............
Does anyone know the quiescent battery drain on a Freelander V6 ES, X reg?
I seem to flatten the battery if car left standing, unarmed etc., in just a
few days.
Indeed, has anyone else experienced similar battery drain. The alternator output is very good and a brand new Moria? heavy duty battery just fitted.
Any help would be greatly appreciated.
Brian (Huddersfield area)
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