This was supposed to go to the list. So if anyone wants to chime in as
to their method of charging these batteries when on A/C I would be
interested. On solar with morningstar there is a whole bunch of info
on setting the morningstar up for what is believed to be the best, but
for A/C I am still reading conflicting info..
-------- Forwarded Message --------
Subject: Re: [AFMUG] Solar calculator?
Date: Sun, 8 Nov 2020 17:23:59 +0000
From: Gino A. Villarini <g...@aeronetpr.com>
To: i...@avantwireless.com <i...@avantwireless.com>
Awesome, thanks for the info!
*From: *Robert <i...@avantwireless.com>
*Date: *Sunday, November 8, 2020 at 11:49 AM
*To: *Gino A. Villarini <g...@aeronetpr.com>
*Subject: *Re: [AFMUG] Solar calculator?
These two batteries are a game changer for price, the first got a great
review from Will Prowse. I am about to start testing the second.
https://www.amazon.com/SOK-Battery-Rechargeable-Temperature-Disconnect/dp/B087BJYGV4/ref=sr_1_2?dchild=1&keywords=sok+lithium+battery+12v+200ah&qid=1604849875&sr=8-2
https://www.amazon.com/Lithium-LiFePO4-Overland-Off-Grid-Application/dp/B088RM4W48/ref=pd_vtp_263_2/144-1995328-4702232?_encoding=UTF8&pd_rd_i=B088RM4W48&pd_rd_r=37bceb2e-57cc-43cc-b204-a1e0803c8c1d&pd_rd_w=kmh23&pd_rd_wg=jqV8b&pf_rd_p=4f2ab3e8-468a-4a7c-9b91-89d6a9221c29&pf_rd_r=1NAA59G6N3MGTG5B11A9&psc=1&refRID=1NAA59G6N3MGTG5B11A9
On 11/8/20 5:18 AM, Gino A. Villarini wrote:
Yeah, we are inclined towards Lithium
*From: *AF <af-boun...@af.afmug.com> <mailto:af-boun...@af.afmug.com>
*Date: *Saturday, November 7, 2020 at 11:03 PM
*To: *af@af.afmug.com <mailto:af@af.afmug.com> <af@af.afmug.com>
<mailto:af@af.afmug.com>
*Subject: *Re: [AFMUG] Solar calculator?
But you want to only take a lead battery to 1/2 that to avoid
decreasing the longevity of them, so double the battery size and, if
the batteries are going to be outside in the winter you will lose
performace so double it again.
Lithium, I have learned that yes you can discharge them fully but
you only want to charge them to 80% to get maximum life. So you
only need to go 120% of your battery calculation for lithium...
On 11/7/20 1:40 PM, ch...@wbmfg.com <mailto:ch...@wbmfg.com> wrote:
30 watts * 24 *14 = approx 10 kWh. So you need a 10 kWh
battery. 10 kWh/48 = 210 Ah 48 volt battery.
Now, I have lotsa experience at my latitude and weather. I will
take a stab at your situation. If you can easily get a
generator to the site it makes a huge difference.
I would say you need a minimum of 300 watts of panel which is
not much. You can get one single panel of that size. Depending
on the type of charge controller you use, you will probably want
2 or 3 panels to get the voltage up in the 60-100 volt range.
So take a look at the MMPV of the panels you choose and add them
up in series. Take a look at the max input voltage of your
charge controller. Try to get the series voltage of the panels
close to that max input voltage if you can.
I promise it will work if you do 600 watts of panel, that would
be at my latitude, middle of winter with snow and storms. 20X
the load is my rule of thumb here for off grid. 20X the load
and 2 weeks of battery autonomy saves you from expensive
helicopter rides in the middle of winter. So that is why I am
recommending 10X for you. I think Bill once said he can get by
with 10X down where he lives.
*From:*Gino A. Villarini
*Sent:*Saturday, November 7, 2020 12:13 PM
*To:*AnimalFarm Microwave Users Group
*Subject:*[AFMUG] Solar calculator?
Anyone with a good online calculator?
Or can you assits with:
What size of panel and batteries would I need for a 48v 30W
setup to run 24/7 for at least 14 days without power?
*Gino****Villarini **
*Founder/President
@gvillarini
t: 787.273.4143 Ext. 204
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