GlennWest Posted July 25, 2019 Author Report Share Posted July 25, 2019 I have sourced out my battery pk. 8 Chevy Volt batteries. Out of 2014 car with 35k miles. $3k. Already removed from case. Quote 2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1 Link to comment Share on other sites More sharing options...
hemsteadc Posted July 25, 2019 Report Share Posted July 25, 2019 I checked the Victron site.. looks like they have 70a models, and they can be paralleled. Quote Link to comment Share on other sites More sharing options...
jcussen Posted July 25, 2019 Report Share Posted July 25, 2019 34 minutes ago, hemsteadc said: I checked the Victron site.. looks like they have 70a models, and they can be paralleled. Yes I see that one but isn't it 24 to 12 volt?  Have not seen a 48 to 12 one that big. Quote Foretravel 40ft tag 500hp Cummins ISM 1455 watts on the roof, 600 a/h's lithium in the basement.  Link to comment Share on other sites More sharing options...
hemsteadc Posted July 25, 2019 Report Share Posted July 25, 2019 https://www.powerstream.com/dcdc-48V.htm Yeah, 48v is hard to find. That site says they can build one up to 1000w. Don't know if 2 Victrons @24v in series would work. Quote Link to comment Share on other sites More sharing options...
jcussen Posted July 25, 2019 Report Share Posted July 25, 2019 2 hours ago, hemsteadc said: https://www.powerstream.com/dcdc-48V.htm Yeah, 48v is hard to find. That site says they can build one up to 1000w. Don't know if 2 Victrons @24v in series would work. Thanks for the lead, they have a 50 amp model for about $750, and a 70 amp model for $1200 ouch! Quote Foretravel 40ft tag 500hp Cummins ISM 1455 watts on the roof, 600 a/h's lithium in the basement.  Link to comment Share on other sites More sharing options...
hemsteadc Posted July 26, 2019 Report Share Posted July 26, 2019 (edited) 4 hours ago, jcussen said: Thanks for the lead, they have a 50 amp model for about $750, and a 70 amp model for $1200 ouch! Ouch is right, that's pretty steep. Regardless, it wouldn't make me stay with a 12v system. I ran my 13.5 air on inverter today and I'm  getting some pretty good heat on a busbar at 48v. Better put some bigger connectors on there!  Edited July 26, 2019 by hemsteadc Quote Link to comment Share on other sites More sharing options...
jcussen Posted July 26, 2019 Report Share Posted July 26, 2019 2 hours ago, hemsteadc said: Ouch is right, that's pretty steep. Regardless, it wouldn't make me stay with a 12v system. I ran my 13.5 air on inverter today and I'm  getting some pretty good heat on a busbar at 48v. Better put some bigger connectors on there! Even worse with 12 volt! Ran my ac on batteries last week on 3/0 from busbar to inverter, wire got hot. Replaced today with 4/0, much cooler. You can probably run much smaller stuff, which is my goal.    Quote Foretravel 40ft tag 500hp Cummins ISM 1455 watts on the roof, 600 a/h's lithium in the basement.  Link to comment Share on other sites More sharing options...
hemsteadc Posted July 26, 2019 Report Share Posted July 26, 2019 Â When I had acid batteries they used to get hot. Quote Link to comment Share on other sites More sharing options...
Jennifer Ministries Posted July 27, 2019 Report Share Posted July 27, 2019 The benefit of one over the other is system-specific, but in parallel the voltage remains the same and the amperage is greater than before, and in series the amperage remains the same and the voltage is bigger. So, if your system necessary more amps but less power you might go with parallel, or if you needed more voltage then you might go with series. Quote Link to comment Share on other sites More sharing options...
jcussen Posted July 28, 2019 Report Share Posted July 28, 2019 (edited) 9 hours ago, Jennifer Ministries said: The benefit of one over the other is system-specific, but in parallel the voltage remains the same and the amperage is greater than before, and in series the amperage remains the same and the voltage is bigger. So, if your system necessary more amps but less power you might go with parallel, or if you needed more voltage then you might go with series. So if I need 120 ac, what do you recommend? Edited July 28, 2019 by jcussen Quote Foretravel 40ft tag 500hp Cummins ISM 1455 watts on the roof, 600 a/h's lithium in the basement.  Link to comment Share on other sites More sharing options...
Chad Heiser Posted July 28, 2019 Report Share Posted July 28, 2019 4 hours ago, jcussen said: So if I need 120 ac, what do you recommend? An inverter. Quote 2000 Kenworth T2000 w/ Cummins N14 and autoshift 2017 DRV Mobile Suite 40KSSB4 with factory mods, dealer mods and personal mods - now in the RV graveyard 2022 DRV Full House MX450 with customized floor plan 2018 Polaris RZR Turbo S (fits in the garage) 2016 Smart Car (fits in the garage or gets flat towed behind the DRV when the RZR is in the garage)My First Solar Install ThreadMy Second Solar Install Thread & Photos and Documents Related to the buildMy MX450's solar, battery and inverter system - my biggest system yet! chadheiser.com    West Coast HDT Rally Website     Link to comment Share on other sites More sharing options...
jcussen Posted July 28, 2019 Report Share Posted July 28, 2019 7 hours ago, Chad Heiser said: An inverter. Kinda looking for Jennifer's reply. Quote Foretravel 40ft tag 500hp Cummins ISMÂ 1455 watts on the roof, 600 a/h's lithium in the basement. Â Link to comment Share on other sites More sharing options...
hemsteadc Posted July 28, 2019 Report Share Posted July 28, 2019 (edited) 4 hours ago, jcussen said: Kinda looking for Jennifer's reply. Me too, because I'm not sure what "her" exact point is. Edited July 28, 2019 by hemsteadc Quote Link to comment Share on other sites More sharing options...
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