Battery system done all wrong

LandCruiserPhil

Peter Pan Syndrome
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Joined
Mar 10, 2004
Messages
25,222
Location
Scottsdale Arizona
My 4+ year test results


I run dual batteries 1 in the factory location and 1 in the rear back corner
Batteries are wired in parallel and never separate
Batteries manufacturers do not match 1 Optima Blue and 1 Duracell marine
Battery sizes do not match 1 Blue Optima group 34 55AH and 1 Duracell AGM Marine group 31 105AH
I have used and been hard on this system running 2 heated blankets, fridge, and power for other needs

The Duracell was getting weak so I opted to replace it. The Blue Optima will still be used after 4+years


IMG_4379.JPG
 

on the rocks

SILVER Star
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Feb 10, 2007
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744
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Colorado
2nd battery in passenger rear location? What did you use for a mount? I strangely have been thinking of relocating mine here but have never seen a mount readily available. Any other mods needed to make room? I am thinking the location and temperature is a non issue with the fact is going for so long there for you with no issues.
 

LandCruiserPhil

Peter Pan Syndrome
Supporting Vendor
Joined
Mar 10, 2004
Messages
25,222
Location
Scottsdale Arizona
2nd battery in passenger rear location? What did you use for a mount? I strangely have been thinking of relocating mine here but have never seen a mount readily available. Any other mods needed to make room? I am thinking the location and temperature is a non issue with the fact is going for so long there for you with no issues.
Yes mounted in the rear corner.
I bolt down Optima batteries through the base
 

Comet

Knower of little, master of less.
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Nov 22, 2009
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Southwest Virginia
Come on man! With all the high end isolators out there……nope, not gonna bite. I am going for the driver and passenger side battery boxes when I do it. Wired in parallel with a jump box in the rear. Whatcha got, something like 110 amp hours saved up on your design? Good enough for Phil, good enough for me.
 

DSRTRDR

I can mangle anything ...
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Baton Rouge, LA and Fountain Hills, AZ
the battery box grommets are missing
 

Njck22

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Sep 24, 2017
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1,024
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Texas
No fuses on large gauge wires coming straight off the battery terminals
 

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