Joe Delaney
New Member
- Joined
- May 11, 2020
- Messages
- 7
I have 2kw of rigid solar permanently installed and an additional 1kw of flex panels attached to a canvas that can be rolled out at anchor
2 midnite solar classic 150's MPPT's
6x 2v Blueriver 1150ah AGM's in series for a 12v bank
the system has run flawlessly for two years now since I first programmed everything and installed the AGM,s they ran me a little over 4k but they're really heavy for a sailboat. I am going to move them from the current location aft to just forward of the mast, which should help
thy rarely go below 70% and reach float on most days, running induction cooktops, electric convection oven, electric water heater, tv's fridge freezer etc. I'm pretty happy with it.
to run the AC I either need shorepower or to run the genset, 8kw diesel, can run everything and top up batteries after a few gloomy days.
But I want to run an air conditioning, I'm in Florida, So I've ordered 4 x 3.2v 400ah prismatic cellsto give me a 400ah lithium bank, as I understand it, it's best to keep these isolated from the AGM's
Here's my question: what is the best way to charge these two systems,
I could dedicate a Midnite solar to each bank and write a separate charge profile for the lithium and divide the solar
I could run all solar to one bank and charge the second bank from the first using a dc to dc programmable charger, in which case, which should be the primary bank?
my first thought is that as lithium accepts charge faster , it should be primary, even though it a lot smaller than the agm bank
I'd appreciate any opinions/input
it's my first post so go easy on me.
2 midnite solar classic 150's MPPT's
6x 2v Blueriver 1150ah AGM's in series for a 12v bank
the system has run flawlessly for two years now since I first programmed everything and installed the AGM,s they ran me a little over 4k but they're really heavy for a sailboat. I am going to move them from the current location aft to just forward of the mast, which should help
thy rarely go below 70% and reach float on most days, running induction cooktops, electric convection oven, electric water heater, tv's fridge freezer etc. I'm pretty happy with it.
to run the AC I either need shorepower or to run the genset, 8kw diesel, can run everything and top up batteries after a few gloomy days.
But I want to run an air conditioning, I'm in Florida, So I've ordered 4 x 3.2v 400ah prismatic cellsto give me a 400ah lithium bank, as I understand it, it's best to keep these isolated from the AGM's
Here's my question: what is the best way to charge these two systems,
I could dedicate a Midnite solar to each bank and write a separate charge profile for the lithium and divide the solar
I could run all solar to one bank and charge the second bank from the first using a dc to dc programmable charger, in which case, which should be the primary bank?
my first thought is that as lithium accepts charge faster , it should be primary, even though it a lot smaller than the agm bank
I'd appreciate any opinions/input
it's my first post so go easy on me.