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   rpodcamper.com  
   
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     Topic: 171 - Mod - Dual Gas Tanks     Posted: 14 Dec 2009 at 3:21am | 
 
 
  
   
   
   
   When we ordered our r-pod the first thing I had the dealer do was to remove the single tank holder and install the Dual Tank Holder.  We also changed over the gas regulator so both tanks are fastened at all times.  I went with a manual switch over regulator so I know when the one tank is empty and needs to be refilled.   
    
   
   
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   techntrek  
   
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     Posted: 15 Dec 2009 at 8:36am | 
 
 
  
   
   
   
   [ In my best Tim-the-tool-man-Taylor ]
   
Arrrrrrr - arrrr - arrrr - arrrrr.  More power! 
    
   
   
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   bobg187  
   
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     Posted: 26 Mar 2010 at 10:48pm | 
 
 
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   just curious... what's in the blue jug???
    
   
   
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   bobg187  
   
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     Posted: 26 Mar 2010 at 10:49pm | 
 
 
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   another question:  so you don't feel you need a 2nd battery?  thanks again.. 
    
   
   
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   rpodcamper.com  
   
    Admin Group - pHp
   
  
   
  
   
  Joined: 26 Nov 2009
    Location: Reading, Pa
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     Posted: 27 Mar 2010 at 12:01am | 
 
 
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   The blue jug was a water jug.  Happened to just be sitting there while I was taking pictures.  I was looking to try to fasten it there but not sure how it would ride down the road.  I am looking at putting another battery on but not quite yet.
    
   
   
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   bobg187  
   
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     Posted: 27 Mar 2010 at 3:10am | 
 
 
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   Thank you for that quick response.  Can't wait to order mine :)
    
   
   
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   techntrek  
   
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     Posted: 27 Mar 2010 at 11:02pm | 
 
 
  
   
   
   
   Welcome, bobg187!
 For your average weekend boondock trip one battery should be enough.  For longer trips you can top it off every other day with a 30 minute charge hooked up to your (running) tow vehicle, using good jumper cables. That said, having two batteries in parallel doesn't just double your capacity.  Due to something called the Peukert effect you really get roughly 110-120% more, plus it will increase your long-term battery life so there are big advantages.  One 100 amp deep cycle battery (20-hour rating) gives you 50 amps over 20 hours, taking it to a 50% depth-of-discharge.  Add a paralleled battery and you don't get 100 amps over 20 hours, you get more like 110 to 120 amps.   
    
   
   
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   TIDALWAVE  
   
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     Posted: 30 Mar 2010 at 6:46pm | 
 
 
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   I would like to go to two deep-cycle batteries.  My R-Pod came with a type-24 Interstate battery. I have an extra type-27 battery which is nearly new.  A forum member mentioned not to combine two different sized or different brand batteries.  What problems will occur, if I use the type-27 along with the Pod's type 24? 
    
   
   
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     TIDALWAVE
     
   
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     Posted: 30 Mar 2010 at 9:31pm | 
 
 
  
   
   
   
   
Originally posted by TIDALWAVE
  What problems will occur, if I use the type-27 along with the Pod's type 24? 
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Your group 24 battery will overcharge and boil.  Lots of heat, probably an acid spill and maybe a dangerous level of hydrogen gas. 
    
   
   
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   TIDALWAVE  
   
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     Posted: 12 Apr 2010 at 10:45pm | 
 
 
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   Thanks for the warning about NOT mis-matching battery sizes.  I didn't know that combining different sizes could lead to so much trouble.  When I went in to buy a matching group 24 battery, the store clerk also wanted to match brands.  The store manager stated that a customer had literally caused a battery to blow up by hooking two size batteries together!
    
   
   
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     TIDALWAVE
     
   
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