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1. 

   12v system thoughts

   Lastly, and your probably already know this but, LFP doesn't like getting charge current when the cells are below freezing. It may sound as if I am anti-LFP...quite the contrary as I have 200Ah and a 400Ah LFP arrays in two different vehicles. But w/o extra Ah capacity during the low sun...

   • Words: 99
   • spressomon
   • Post #7
   • Oct 9, 2021
   • Forum: Power Systems
2. 

   12v system thoughts

   Latest information: 3.6+v/LFP cell is too high for long term lifespan. If you impart a DC-DC charger with programmable profile, between the alternator and the LFP then you're golden. Or a BMS that can limit the current to what is best for LFP. RE: AGM, all I can say is dual Odysseys have...

   • Words: 150
   • spressomon
   • Post #5
   • Oct 9, 2021
   • Forum: Power Systems
3. 

   12v system thoughts

   You need a solar charge controller between the panel(s) and the battery/batteries; most panels will put out 17+volts; they're relatively cheap for basic PWM type anyway. I use Victron controllers, Blue with dongle has much stronger Bluetooth otherwise the Smart combo works fine; gives very...

   • Words: 310
   • spressomon
   • Post #3
   • Oct 9, 2021
   • Forum: Power Systems