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Running 2 starter batteries parallel?
#12307344
06/23/17 01:14 AM
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Joined: Mar 2011
Posts: 1,212
Michael.Beaty
OP
Extreme Angler
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OP
Extreme Angler
Joined: Mar 2011
Posts: 1,212 |
Read an article of a few bassmaster pro's running 2 starting batteries in parallel to increase life during a day of running all their graphs starting the boat and livewell any cons to this besides added weight?
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12307690
06/23/17 10:53 AM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Not really. I have done this several times. Was wondering if I should try to get a matching pair.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12307754
06/23/17 12:10 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
How does the charging system of the motor handle it?
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12308734
06/23/17 10:23 PM
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Joined: Mar 2011
Posts: 1,212
Michael.Beaty
OP
Extreme Angler
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OP
Extreme Angler
Joined: Mar 2011
Posts: 1,212 |
Muzzlebrake it'll charge the same as always from what I'm told took the boat out today for 8hours and never had a problem which is nice since I use to have to run chumper cables to my trolling motor battery if I clean the livewell all day with graphs
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12308936
06/24/17 01:28 AM
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Joined: May 2003
Posts: 16,294
Chris B
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 16,294 |
Have you tried that biggest marine diehard battery?
I hate photobucket.
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12308994
06/24/17 01:53 AM
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Joined: Apr 2004
Posts: 14,069
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,069 |
I installed a Lowrance HDI 7 and ended up putting a switch on it because I leave in boat and it was drain in battery. Anyone else experience this?
2200 Bay Champ/200 Mercury Optimax 2017 Tundra TSS 4x4 Crewmax 5.7L
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12309014
06/24/17 02:00 AM
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Joined: Oct 2012
Posts: 4,414
lenahorse
TFF Team Angler
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TFF Team Angler
Joined: Oct 2012
Posts: 4,414 |
I run 2 HDS 8's 1-2 days before a charge on group 31 interstate without any problems, also rewired with 12ga stranded and that really helped a lot.
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12309532
06/24/17 02:57 PM
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Joined: Mar 2011
Posts: 1,212
Michael.Beaty
OP
Extreme Angler
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OP
Extreme Angler
Joined: Mar 2011
Posts: 1,212 |
I have not tried a 31 I had 2 starting batteries already so was cheaper to try the double battery system
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12310457
06/25/17 01:23 PM
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Joined: Jan 2005
Posts: 1,896
heybaylor
Extreme Angler
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Extreme Angler
Joined: Jan 2005
Posts: 1,896 |
I put the batt voltage on my graphs as a overlay. when batt drops to 11.5, to 11.0 I start the motor for a couple of minutes to bring it back to 12+. never a problem with just one battery.
heybaylor
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12310661
06/25/17 05:48 PM
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Joined: Jul 2014
Posts: 4,340
Bobby Milam
TFF Team Angler
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TFF Team Angler
Joined: Jul 2014
Posts: 4,340 |
I run one battery for nothing but the starter. All of my other electronics are on their own battery. Been running it for a year and never had another dead battery
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Re: Running 2 starter batteries parallel?
[Re: Michael.Beaty]
#12314367
06/28/17 02:51 AM
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Joined: Nov 2009
Posts: 255
Bassman110
Angler
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Angler
Joined: Nov 2009
Posts: 255 |
My new Ranger Z520 has a battery switch very similar to what ToadThrower posted that allow the battery selection of the 1st, 2nd, 1st & 2nd (Jump), or none. The only thing I was told to watch was to ensure I did not have the jump mode selected when I plugged in the charger. My boat has a 4 bank charger so both batteries are on separate charger banks. So I don't think there are any issues with running the motor in dual battery mode or Ranger would have some caution in the manual.
Ranger Z520 and Arctic Fox 990 my second homes :-) St Croix Prostaff #stcroixrods #bestrodsonearth @stcroixrods
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