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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Components Required for Dual Battery System?
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<blockquote data-quote="DINOZR" data-source="post: 1568711" data-attributes="member: 41843"><p>Good info here. Thanks to everyone contributing. Here are some recent conclusions from my research</p><p></p><p>1. I don't wish to disable the BMS. I am an experienced Forscan user, but I understand disabling the BMS trips a DTC (though not a CEL). Whether it's real or not, I am apprehensive about taking it to the dealer for service, they see a DTC for the BMS being disabled, and they see my dual battery system installed. I think there is a non-negligible chance they would deny any warrant work on the electrical system, whether or not my stuff actually caused it. Yes, I understand there are laws that they have to prove my stuff caused it...yadda yadda yadda...but it will be my PITA to deal with, and I don't want to deal with that.</p><p></p><p>2. Since I am keeping the BMS, I have accepted I need to charge with a DC-DC charger and not from the stock charging system. I actually like this circuit design anyway, because the only time the truck system and the aux system are linked would be in an emergency when I throw the switch to link the two to jump a dead start battery from the aux battery.</p><p></p><p>3. Redarc seems to be pretty experienced on this front. They even offer wiring diagrams. Right now I'm working off the one attached. I plan to use a manual switch from Blue Sea Systems rather than the momentary switch Redarc recommends.</p><p></p><p>4. Right now I'm designing around an Odyssey 94R AGM battery, the Redarc 1225D, Redarc's SBI 12 Isolator, the fuses Redarc recommends, breakers from Blue Sea Systems, a manual override switch from Blue Sea Systems, and hopefully adding a 1000W inverter.</p><p></p><p>5. My vision is to mount this in a Pelican V550. I understand I will need to ventilate the box with some DC fans.</p><p></p><p>6. Aux system will be connected to the start system for emergency jump start via a 13.5' run of 1 AWG. Blue Sea Systems' circuit wizard helped me determine that 1 AWG is sufficient for the worst case amperages.</p><p></p><p>That's where I'm at now. Advice welcomed.</p></blockquote><p></p>
[QUOTE="DINOZR, post: 1568711, member: 41843"] Good info here. Thanks to everyone contributing. Here are some recent conclusions from my research 1. I don't wish to disable the BMS. I am an experienced Forscan user, but I understand disabling the BMS trips a DTC (though not a CEL). Whether it's real or not, I am apprehensive about taking it to the dealer for service, they see a DTC for the BMS being disabled, and they see my dual battery system installed. I think there is a non-negligible chance they would deny any warrant work on the electrical system, whether or not my stuff actually caused it. Yes, I understand there are laws that they have to prove my stuff caused it...yadda yadda yadda...but it will be my PITA to deal with, and I don't want to deal with that. 2. Since I am keeping the BMS, I have accepted I need to charge with a DC-DC charger and not from the stock charging system. I actually like this circuit design anyway, because the only time the truck system and the aux system are linked would be in an emergency when I throw the switch to link the two to jump a dead start battery from the aux battery. 3. Redarc seems to be pretty experienced on this front. They even offer wiring diagrams. Right now I'm working off the one attached. I plan to use a manual switch from Blue Sea Systems rather than the momentary switch Redarc recommends. 4. Right now I'm designing around an Odyssey 94R AGM battery, the Redarc 1225D, Redarc's SBI 12 Isolator, the fuses Redarc recommends, breakers from Blue Sea Systems, a manual override switch from Blue Sea Systems, and hopefully adding a 1000W inverter. 5. My vision is to mount this in a Pelican V550. I understand I will need to ventilate the box with some DC fans. 6. Aux system will be connected to the start system for emergency jump start via a 13.5' run of 1 AWG. Blue Sea Systems' circuit wizard helped me determine that 1 AWG is sufficient for the worst case amperages. That's where I'm at now. Advice welcomed. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Components Required for Dual Battery System?
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