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Passing along some good deals. I have zero connection to either item. https://nexpow.com/products/nexpow-2000w-2400wh-portable-power-station Add to cart to see discount. Sent from my SM-G973U using Tapatalk

Am I missing the price for the truck?

People don't seem to keep this rig very long.

Other issues with having fla and lifepo4 connected together are that the lifepo4 voltage once all charged is higher than the fla. So i believe they will fight each other until they balance out, which won't be good. Also can't start from the lifepo4. Way too many amps being sucked out too...

This looks to be the perfect solution for what I am trying to accomplish. Simple, effective and reasonably priced.

Wonder why Victron's don't have that feature.

Still available. Sent from my SM-G973U using Tapatalk

I have a victron dc to dc and i don't believe that it will function like that. Which redarc or renogy models offer that feature? Sent from my SM-G973U using Tapatalk

Curious how it got bent? And how you figured out it was bent, assuming it's not visually obvious. Sent from my SM-G973U using Tapatalk

Cool idea. If I am understanding correctly you are using one B2B and reversing it? If that is correct, I believe the B2B is programmed with a particular charge profile. If I set up the lifepo4 profile, won't that be an issue when it is reversed and charging the FLA start battery?

So, when you start your vehicle you disconnect this item from the start battery? Does it prevent any current from going back from the start battery to the house battery? Assume you set it at 12.6v, does it stop sending voltage to the start battery when it reaches 12.6v?

No

@jonyjoe101 I originally read the AMT12 specs about 11.5 and 11.7 as you did. it made no sense. After re reading it a few times, I think the 11.5 and 11.7 are the low voltage levels where the system shuts off. It actually charges the start battery to 12.8v

The cheap solar controller seems like a good solution for me. I am just not sure whether it can handle my solar panel?

@DiploStrat I edited my original post to add a reference to this item. Any thoughts? I am not sure what a PWM controller is? Recommendations for a cheap secondary controller? There are some very cheap ones on Amazon such as THIS ONE. I didn't realize they are available so cheap. But...

I was thinking of using a Blue Sea ACR (I already have one). I could set it up with an Anderson type plug and just plug it in when needed. What might be the drawback of doing this? I will look at the Amp-L-start. Looks like the man that made these passed away in January 2023 and it is...

I suppose the DC to DC could be reversed but I think that would entail switching the IN/OUT wires each time on the Victron DC to DC.

Any thoughts or suggestions on utilizing the house battery system to trickle charge the starting batteries if the truck sits for an extended period? Hopefully there is a reasonably priced solution. I found this item, AMT I am not sure if it will work with the Victron DC to DC. Current set...

So most of the advice above is for 10awg and 12awg. You are recommending 6awg. That is a big difference. When I see such a difference in advice, I have to assume someone is right and someone is wrong. Bigger wire = less voltage drop. But in reality is 6awg needed for this? How much better...

Super helpful. One of the most informative responses on EP. Thanks