I second the Genasun product line. I've done a few golf cart charging systems.
works like a charm.
-Wes Kennedy 303-653-3073
On Monday, April 12, 2021, 12:03:52 PM MDT, Mac Lewis <[email protected]>
wrote:
There is a company called Genasun that I believe makes a boost solar charge
controller to do this. They are in the marine world and I haven't poured over
their specs but they are worth checking out.
Try looking at
Genasun GVB-8-Li
Good Luck!
On Mon, Apr 12, 2021 at 11:43 AM Jason Szumlanski
<[email protected]> wrote:
I want to charge a 51.2V LiPO battery with a single 420W 72-cell module. Vmp is
40.14V.
It's one of those situations where I just need a lot of battery capacity as a
backup for a specified time period, but it doesn't matter how long it takes to
charge it back up. And I have space for exactly one 72-cell module.
It's going to be a Victron inverter. I'm not sure if they make a DC-DC solution
for this charging scenario or if there is another way to accomplish it without
too much cost and complexity. I was half-heartedly thinking about an AC coupled
microinverter, but that has drawbacks in terms of efficiency I think. Maybe
that's not any worse than DC-DC conversion - I'm not sure. AC Coupling would
probably be cheaper and easier. Monitoring might be difficult/limited. And AC
coupling would require that the inverter be on (inverting) which isn't ideal
for this situation either.
Thanks in advance,
Jason SzumlanskiFlorida Solar Design
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Mac Lewis
"Yo solo sé que no sé nada." -Sócrates
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