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 Cranking vs dual purpose battery
#15354141
03/14/25 04:22 AM
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Joined: Aug 2023
Posts: 268
shanetx
OP
Angler
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OP
Angler
Joined: Aug 2023
Posts: 268 |
Mercury 75 hp and two graphs.
Do I need a dual purpose since the battery well has a dual purpose cranking the main and running graphs ?
The current battery has no labels but based on size (10in by 7in) seems like a group 24
What are ideal battery specs for this setup?
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Re: Cranking vs dual purpose battery
[Re: shanetx]
#15354143
03/14/25 04:34 AM
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Joined: Aug 2023
Posts: 268
shanetx
OP
Angler
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OP
Angler
Joined: Aug 2023
Posts: 268 |
Part Number24M-AGM-A
Group Size24M
Cold Cranking Amps (CCA)
Cranking Amps (CA)940
(RC) Min @ 25 Amp140.0 minutes
Amp Hours (Ah)N/A
Length10 1/4 inches
Width6 13/16 inches
Height9 inches
Termination CodeTOP
Voltage12
Wet/DryD
TechnologyAGM
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Re: Cranking vs dual purpose battery
[Re: shanetx]
#15354413
03/14/25 03:03 PM
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Joined: Apr 2004
Posts: 14,782
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,782 |
Depends on the size of the graphs and other things you are running off the battery. If no problems with the group 24 you might just go up in size if you have room. Check the manual for the CCA requirement for that motor. When my flooded cell cranking battery bit the dust I switched to an AGM because of maintenance and location. The AGM meets the required CCAs for my motor but motor just does not fire up like it did with the previous battery. I may go to a lithium cranking battery. I switched TM batteries to lithium and moved my graphs over.
2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
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