Mr Steve wrote:
Really trying to understand, what requirements would I need to go with say 150 to 200 AH? My inverter charger is a Xantrex freedom 458, charges at 50AMPS DC. My generator is a Onan 5500 charging at 48AMPS. Is therea another area I need to look at?
your Xantrex 458 does all the charging 50amps at 14vdc
the 48 amps at 120vac from the Onan is powering the Xantrex
the Onan does not directly charge the batteries
its really about how much 'daily' power use you need and how much 'recharge time' you run the Onan
if you use xx amphours per day, then you need to return xx amphrs to the batteries per day when running the Onan
the exception is 'example' use 100 ah return 70 ah for three days in a row
a 90 ah deficit
then go home plug in and allow batteries to bevome fully charged before next trip
example only and the deficit needs to be less than 50% of the battery bank
depending on your amp hrs per day use
your run time might be 2 hrs or it could be 4 hrs
most people who find the battery bank dying, are under charging , they do not allow enough genset run time and do not 'fully recharge' after the trip
I can explain it to you.
But I Can Not understand it for you !
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