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#11939830 - 11/18/16 06:04 AM 4th Battery Alternatives
ScottCook Offline
Pro Angler

Registered: 11/14/04
Posts: 675
Loc: Granbury, TX
Instead of a 4th large battery for electronics and all the room that that takes in smaller boats, has anyone ever considered using a smaller lawn mower battery or a few 6v motorcycle batteries in parallel?

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#11939842 - 11/18/16 06:20 AM Re: 4th Battery Alternatives [Re: ScottCook]
Cast Online   content
TFF Celebrity

Registered: 07/31/12
Posts: 6453
Loc: North Texas - God's Country
6v would be in series to make 12v, and these twin packs could be hooked in parallel to build a big 12v battery. The load you need to supply is the key. Smaller batteries mean less capacity so you need to match the supply to the demand. Three large capacity batteries and a Perko switch would be my pick for a 12-24 system.
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#11939849 - 11/18/16 06:30 AM Re: 4th Battery Alternatives [Re: ScottCook]
ScottCook Offline
Pro Angler

Registered: 11/14/04
Posts: 675
Loc: Granbury, TX
Yep, my bad. What I should have said was a couple of lawn mower batteries in parallel or motorcycle batteries in series.

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#11939867 - 11/18/16 06:45 AM Re: 4th Battery Alternatives [Re: ScottCook]
Dayne Offline
Extreme Angler

Registered: 12/16/06
Posts: 2968
If you have a good cranking battery you won't need the extra battery for electronics etc. I run live well aerators, power poles, and 3 hds units on my cranking battery with no problems.

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#11939882 - 11/18/16 07:02 AM Re: 4th Battery Alternatives [Re: Dayne]
TCK73 Online   content
Extreme Angler

Registered: 03/26/15
Posts: 2861
Loc: Jack County
Click Here

These work well and keep space and weight down.

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#11939942 - 11/18/16 07:44 AM Re: 4th Battery Alternatives [Re: TCK73]
ring fry Online   content
TFF Celebrity

Registered: 10/25/02
Posts: 5591
Loc: Fort Scott, Ks.
Originally Posted By: TCK73
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These work well and keep space and weight down.


They ought to. eeks

SE Kansas grass grower
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#11940134 - 11/18/16 09:14 AM Re: 4th Battery Alternatives [Re: ScottCook]
RODS454 Offline
Extreme Angler

Registered: 08/26/10
Posts: 1020
Loc: Midlothian
I use a small lawn mower battery for my front electronics. 998si, Helix 10di, 360 imaging and network gateway. Works well for me. I charge after every trip so I don't know how long it will go between charges.
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#11941007 - 11/18/16 07:43 PM Re: 4th Battery Alternatives [Re: ring fry]
TCK73 Online   content
Extreme Angler

Registered: 03/26/15
Posts: 2861
Loc: Jack County
Originally Posted By: ring fry
Originally Posted By: TCK73
Click Here

These work well and keep space and weight down.


They ought to. eeks

SE Kansas grass grower


No kidding. The kayak crowd I see sometimes use them.

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#11941455 - 11/19/16 08:36 AM Re: 4th Battery Alternatives [Re: ScottCook]
Cast Online   content
TFF Celebrity

Registered: 07/31/12
Posts: 6453
Loc: North Texas - God's Country
You can get ups batteries rated at 12V/9.5ah that fit in a fat fifty ammo box. Tie a few together and you have an impressive portable battery box. Waterproof too. Doubles as an anchor. <G>
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