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Feb 5th, 2020
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 Solar Panel Voltage Output???
#8172528
02/16/21 10:08 PM
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Joined: Mar 2018
Posts: 145
Klinker
OP
Woodsman
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OP
Woodsman
Joined: Mar 2018
Posts: 145 |
How many volts should a solar panel be putting out?
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8172612
02/16/21 10:56 PM
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Joined: Oct 2013
Posts: 5,545
Ol Thumper
THF Trophy Hunter
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THF Trophy Hunter
Joined: Oct 2013
Posts: 5,545 |
What kind of panel? Running a solar charger?
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8172642
02/16/21 11:24 PM
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Joined: Mar 2018
Posts: 145
Klinker
OP
Woodsman
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OP
Woodsman
Joined: Mar 2018
Posts: 145 |
A 12V panel for a deer feeder.
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8172649
02/16/21 11:35 PM
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Joined: Oct 2013
Posts: 5,545
Ol Thumper
THF Trophy Hunter
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THF Trophy Hunter
Joined: Oct 2013
Posts: 5,545 |
Full sunlight 13.5-14.5 volts
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8172688
02/17/21 12:20 AM
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Joined: Mar 2018
Posts: 145
Klinker
OP
Woodsman
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OP
Woodsman
Joined: Mar 2018
Posts: 145 |
In that case, 21V means it is working really well!
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8173010
02/17/21 06:33 AM
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Joined: Jan 2011
Posts: 5,035
David Maas
THF Trophy Hunter
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THF Trophy Hunter
Joined: Jan 2011
Posts: 5,035 |
No, it means that you have an unregulated panel and should be running a controller with it
NRA Endowed Patriot Life Benefactor
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Re: Solar Panel Voltage Output???
[Re: David Maas]
#8173086
02/17/21 01:12 PM
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Joined: Sep 2011
Posts: 2,994
Vern1
Veteran Tracker
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Veteran Tracker
Joined: Sep 2011
Posts: 2,994 |
No, it means that you have an unregulated panel and should be running a controller with it Panels are unregulated but output is temperature sensitive. If 12v is the nominal rating, 21v out of a 12v panel is fairly normal in a cold clear sunny day like we have been having last week. In the summer when the sun hits the panels, they will start to drop off as they heat up. This label is from a 24v 245 watt panel. It is a 60 cell 24VDC nominal panel that makes max power output at 30.2V but will run up to 37.5 volts if unloaded. ![[Linked Image]](https://texashuntingforum.com/forum/pics/userpics/2021/02/full-30584-281741-panellabbel.jpg)
Cheers,
Vern1
Texans since The Old 300 in 1824
NRA Lifetime Member
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8175692
02/19/21 01:02 AM
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Joined: Mar 2018
Posts: 145
Klinker
OP
Woodsman
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OP
Woodsman
Joined: Mar 2018
Posts: 145 |
FYI - the answer is 20-22V, in full sun, for the typical 6x6/8x8 solar panel used on most deer feeders.
That is with an unregulated, no controller panel . . . just like the ones found on 99.999% of all feeders.
Last edited by Klinker; 02/19/21 01:03 AM.
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8186685
02/28/21 03:44 PM
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Joined: Sep 2009
Posts: 5,394
Pittstate
THF Trophy Hunter
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THF Trophy Hunter
Joined: Sep 2009
Posts: 5,394 |
yep, mine put out 19 to 21 volts with no load on cool days. normal
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Re: Solar Panel Voltage Output???
[Re: Klinker]
#8204705
03/16/21 07:32 PM
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Joined: Mar 2009
Posts: 473
Hogflyer
Bird Dog
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Bird Dog
Joined: Mar 2009
Posts: 473 |
Depends some panels! some of these chi-com junks make over 14.5 volts I would not use them! got panel in full sun NO load, 14.2 and up some, under load
13.3 to 13.8 pending how good is your battery source. Over time panels drop voltage, monitor it at times.
Solar panels should be getting cheaper with more companies venturing out and getting govt subsidies for investment money!
hunt safe all....
"Buy more ammo, save it for a rainy day."
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