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Search took 0.01 seconds. Search: Posts Made By: @Michael

Forum: Electrical | Charging, Systems, Solar and Generators

07-25-2020, 09:12 PM

Replies: 277

DIY portable, useful LiFePO4

Views: 37,721

Posted By @Michael

Yep - the Redarc is a B2B that can step-up/boost,...

Yep - the Redarc is a B2B that can step-up/boost, and it's either 40A or 0A, nothing in between.

I'm re-thinking the solar side. It was set up to only charge the AGM's so to charge the...

Forum: Electrical | Charging, Systems, Solar and Generators

07-19-2020, 04:09 PM

Replies: 277

DIY portable, useful LiFePO4

Views: 37,721

Posted By @Michael

Based on your original diagram, I think that if I...

Based on your original diagram, I think that if I were to adopt something like this, I'd have to make sure that the path through the diode would be blocked any time the path through the B2B was not...

Forum: Electrical | Charging, Systems, Solar and Generators

04-06-2020, 12:21 PM

Replies: 277

DIY portable, useful LiFePO4

Views: 37,721

Posted By @Michael

Is that because the LiFePo4 pack has lower...

Is that because the LiFePo4 pack has lower internal resistance and/or higher voltage?

One thing I see is that you really don't have a way of separating the two packs if you need to for any reason,...

Forum: Electrical | Charging, Systems, Solar and Generators

04-06-2020, 03:42 AM

Replies: 277

DIY portable, useful LiFePO4

Views: 37,721

Posted By @Michael

So when there are no charge sources the house...

So when there are no charge sources the house will draw down the lead acid's, and the lithium will replenish them from a .3v higher state?

What stops the lead acids from draining the lithium below...

Forum: Electrical | Charging, Systems, Solar and Generators

04-05-2020, 11:07 PM

Replies: 277

DIY portable, useful LiFePO4

Views: 37,721

Posted By @Michael

The loop from the lead acid -> relay -> DC/DC ->...

The loop from the lead acid -> relay -> DC/DC -> Lithium -> diode and back to the lead acid looks like a perpetual motion machine to me. :D

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