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 Installed batteries in Series question...
#14007792
05/23/21 07:29 PM
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Joined: Jul 2020
Posts: 147
d75bender
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jul 2020
Posts: 147 |
I have a 24v trolling motor and 2 group 27 batteries powering it. I just had 1 of the batteries die on me...anyone know if can I use a group 24 with a group 27 battery in series together? Will it harm anything?
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Re: Installed batteries in Series question...
[Re: d75bender]
#14007857
05/23/21 08:41 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
you can do it if both are about the same age, your 24 will pull the 27 down over time till you have the same as 2 24s.
best to have both the same if possible.
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Re: Installed batteries in Series question...
[Re: d75bender]
#14007928
05/23/21 10:20 PM
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Joined: Jul 2020
Posts: 147
d75bender
OP
Outdoorsman
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OP
Outdoorsman
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Posts: 147 |
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Re: Installed batteries in Series question...
[Re: hopalong]
#14007932
05/23/21 10:26 PM
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Joined: Aug 2002
Posts: 2,044
DLALLDER
Extreme Angler
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Extreme Angler
Joined: Aug 2002
Posts: 2,044 |
you can do it if both are about the same age, your 24 will pull the 27 down over time till you have the same as 2 24s.
best to have both the same if possible.
Hop, are you sure your answer is correct? In Series, I don't think there will be any harm in connecting 2 different sizes together. However in parallel you are correct.
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Re: Installed batteries in Series question...
[Re: d75bender]
#14008018
05/24/21 12:08 AM
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Joined: Jul 2020
Posts: 147
d75bender
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jul 2020
Posts: 147 |
Ok cool, either way it looks like I'd be fine connecting a Group 24 and Group 27 battery together...in series. Thanks for the info.
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Re: Installed batteries in Series question...
[Re: DLALLDER]
#14008250
05/24/21 10:14 AM
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Joined: Sep 2008
Posts: 121,172
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
you can do it if both are about the same age, your 24 will pull the 27 down over time till you have the same as 2 24s.
best to have both the same if possible.
Hop, are you sure your answer is correct? In Series, I don't think there will be any harm in connecting 2 different sizes together. However in parallel you are correct. you will still run down the 24 first since it will have a lower reserve capacity, then the 27 has to pick up the slack. your fine doing it and may never see a noticeable difference but it is hard on the batteries since one will run down before the other.
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