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Genny Use


Joel Sheriff
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What is the general consensus on running the gen when dry camping.  I start at 12.0v or 85° and I run for 1.5hrs.  Is that average or would running for 1hr be sufficient.  I have four 6v AGS batteries 300ah. 6 years old but still take and hold a decent charge over 12.7 v.  Any suggestions over what I'm doing.  Main question is should one hour run time be enough to recharge? 

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Joel,

To answer your question, Nope. I don't believe you are ever getting the battery bank back to a Full Charge state by doing it that way.

I have my AGS set to come on when the House Battery Bank reaches 12.0 VDC (summertime) - 12.2 VDC (wintertime) then it runs until the battery bank reaches Float SOC which can take hours.

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15 hours ago, Joel Sheriff said:

What is the general consensus on running the gen when dry camping.  I start at 12.0v or 85° and I run for 1.5hrs.  Is that average or would running for 1hr be sufficient.  I have four 6v AGS batteries 300ah. 6 years old but still take and hold a decent charge over 12.7 v.  Any suggestions over what I'm doing.  Main question is should one hour run time be enough to recharge? 

I was dry camping a number of years ago in Quartzite AZ with a bunch of Monaco coaches. I ran my genny in the AM for about an hour and the same in the evening. At the end of the week the coach wouldn't start. Dead as dead. My genny started off the chassis batteries and Cummins told my when you start your genny it takes three hours to get your chassis batteries back to where it was before you started the penny. After that I have always run my genny for about 4 hours.

John F.

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22 hours ago, beaver_jd said:

I was dry camping a number of years ago in Quartzite AZ with a bunch of Monaco coaches. I ran my genny in the AM for about an hour and the same in the evening. At the end of the week the coach wouldn't start. Dead as dead. My genny started off the chassis batteries and Cummins told my when you start your genny it takes three hours to get your chassis batteries back to where it was before you started the penny. After that I have always run my genny for about 4 hours.

John F.

John  F

Perhaps your genset doesn't charge your chassis batteries...... (is yours  supposed to)??

As built by SMC,  (Safari Motor Coach),  only the engine driven alternator in my coach charges the chassis batteries .

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