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Dec 30th, 2023
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 Deep CYCLE
#15065259
05/05/24 09:33 PM
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Joined: Dec 2008
Posts: 7,213
Fishbonz
OP
TFF Celebrity
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OP
TFF Celebrity
Joined: Dec 2008
Posts: 7,213 |
I have a Deep cycle battery that will charge up BUT as soon as I take it off the charger it IMEDIATELY starts loosing voltage & without being connected to anything ! After charging it reads 12.4v then it begins to drop slowly. Shoot I only had the battery for approx.8-9 mos & I have no Idea what is causing this. Anyone have a clue? I don`t
HE aka Fishbonz
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Re: Deep CYCLE
[Re: Fishbonz]
#15065267
05/05/24 09:47 PM
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Joined: Apr 2017
Posts: 14,382
tmd11111
TFF Guru
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TFF Guru
Joined: Apr 2017
Posts: 14,382 |
If it’s lead acid check the water level, not that it matters because it’s already toast.
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Re: Deep CYCLE
[Re: Fishbonz]
#15065335
05/05/24 11:18 PM
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Joined: Nov 2014
Posts: 6,055
GTrigg
TFF Celebrity
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TFF Celebrity
Joined: Nov 2014
Posts: 6,055 |
Sounds like a dead cell or two. Take it back where you bought it, should have some type of warranty.
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Re: Deep CYCLE
[Re: Fishbonz]
#15066067
05/06/24 11:35 PM
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Joined: Dec 2006
Posts: 3,305
Dayne
TFF Team Angler
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TFF Team Angler
Joined: Dec 2006
Posts: 3,305 |
12.4 is not fully charged. Take it back where you bought it.
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Re: Deep CYCLE
[Re: GTrigg]
#15066296
05/07/24 08:39 AM
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Joined: Mar 2011
Posts: 15,338
Bandit 200 XP
TFF Guru
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TFF Guru
Joined: Mar 2011
Posts: 15,338 |
Sounds like a dead cell or two. Take it back where you bought it, should have some type of warranty.
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Re: Deep CYCLE
[Re: Dayne]
#15066529
05/07/24 03:17 PM
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Joined: Oct 2017
Posts: 3,967
JimBridger
TFF Team Angler
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TFF Team Angler
Joined: Oct 2017
Posts: 3,967 |
12.4 is not fully charged. Take it back where you bought it. Yes a fully charge battery should be around 13.0. As stated by GTrigg it sounds like a bad cell or two.
Last edited by JimBridger; 05/07/24 03:18 PM.
All that is necessary for the triumph of evil is that good men do nothing. Edmund Burke
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Re: Deep CYCLE
[Re: Fishbonz]
#15066765
05/07/24 08:01 PM
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Joined: Mar 2011
Posts: 15,338
Bandit 200 XP
TFF Guru
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TFF Guru
Joined: Mar 2011
Posts: 15,338 |
All my graphs say 13 amps
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Re: Deep CYCLE
[Re: Bandit 200 XP]
#15066802
05/07/24 08:30 PM
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Joined: Mar 2010
Posts: 28,401
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 28,401 |
All my graphs say 13 amps volts Bet you blow a lot of fuses @ 13 Amps. No worries, fixed it for you Bro. 
Last edited by T Bird; 05/07/24 08:31 PM.
Okie by birth, Texan by choice. ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2021/01/full-47849-80883-111.jpg) USAF "Thunderbirds" Alumni 1985-1989
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Re: Deep CYCLE
[Re: GTrigg]
#15066889
05/07/24 10:04 PM
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Joined: Dec 2008
Posts: 7,213
Fishbonz
OP
TFF Celebrity
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OP
TFF Celebrity
Joined: Dec 2008
Posts: 7,213 |
Sounds like a dead cell or two. Take it back where you bought it, should have some type of warranty. 
HE aka Fishbonz
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Re: Deep CYCLE
[Re: Fishbonz]
#15067093
05/08/24 01:14 AM
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Joined: Dec 2008
Posts: 17,525
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 17,525 |
Think you guys are confused, a 12v lead acid battery is full at 12.3v and up. But if it’s dropping, it’s obviously bad.
A lithium is full at 13.6v.
I had to look this one up, an agm fully charged is 12.85v.
Last edited by grout-scout; 05/08/24 01:16 AM.
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Re: Deep CYCLE
[Re: T Bird]
#15067249
05/08/24 07:04 AM
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Joined: Mar 2011
Posts: 15,338
Bandit 200 XP
TFF Guru
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TFF Guru
Joined: Mar 2011
Posts: 15,338 |
All my graphs say 13 amps volts Bet you blow a lot of fuses @ 13 Amps. No worries, fixed it for you Bro. Thanks T
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Re: Deep CYCLE
[Re: Fishbonz]
#15067347
05/08/24 12:46 PM
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Joined: Dec 2006
Posts: 3,305
Dayne
TFF Team Angler
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TFF Team Angler
Joined: Dec 2006
Posts: 3,305 |
I guess I was remembering agm charge when I made my post not regular lead acid.
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Re: Deep CYCLE
[Re: grout-scout]
#15067858
05/08/24 08:56 PM
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Joined: Dec 2008
Posts: 7,213
Fishbonz
OP
TFF Celebrity
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OP
TFF Celebrity
Joined: Dec 2008
Posts: 7,213 |
Think you guys are confused, a 12v lead acid battery is full at 12.3v and up. But if it’s dropping, it’s obviously bad.
A lithium is full at 13.6v.
I had to look this one up, an agm fully charged is 12.85v. Think you guys are confused, a 12v lead acid battery is full at 12.3v and up. But if it’s dropping, it’s obviously bad.
A lithium is full at 13.6v.
I had to look this one up, an agm fully charged is 12.85v. When I first got the battery it would sit @ 12.6v consistently so you are correct mr. grout scoutt! After a few charges it would start decreasing in voltage. Now it won`t hold a charge at all. I think i`ll just take it back .Thanks yous Guys
Last edited by Fishbonz; 05/08/24 08:57 PM.
HE aka Fishbonz
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