Winch and battery
Thread Starter
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Fleet Mechanic
Joined: Oct 2004
Posts: 1,496
Likes: 3
From: Simpsonville, KY
I need to have the second battery hidden somewhere. I saw a frame mount for a superduty I'm looking at adapting. But I can't use the bed of the truck... any other hidden ways you can think of?
Thread Starter
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Fleet Mechanic
Joined: Oct 2004
Posts: 1,496
Likes: 3
From: Simpsonville, KY
that site basically tell me if I install a DC and a starting batt to use the starter batt to winch. So that basically elimintates the bonuses I was looking for.
Ok, so I think I will stick with two starter's... is it better to isolate them (same batt x 2) or to parallel them? Would parallel plus "Priority Start" voltage switch be the best and easist way to do it? That's what it is starting to look like...
And more importantly, where can I stick another size 65 battery where it doesn't effect anything important and doesn't use bed space? Is there room under the hood with some juggling?
Ok, so I think I will stick with two starter's... is it better to isolate them (same batt x 2) or to parallel them? Would parallel plus "Priority Start" voltage switch be the best and easist way to do it? That's what it is starting to look like...
And more importantly, where can I stick another size 65 battery where it doesn't effect anything important and doesn't use bed space? Is there room under the hood with some juggling?
Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
put the battery in your toolbox....no toolbox? move some stuff arond in the engine compartment....can't or dont want to? strap it to your roof for easy access and cleaning! this is one of those questions where you would be better off coming up with something yourself since we dont' really know exactly what your dealin with.
good luck
-cutts-
good luck
-cutts-
Post Fiend
Joined: Jul 2003
Posts: 11,945
Likes: 3
From: Spokane, WA
There's another option, but the cost is pretty high. There's a company that makes a HIGH capacity capacitor (that sounds funny) designed for a slow discharge. It can be used to power winches, starters, you name it. They're about half the size of a battery but I know they're expensive. If I get a chance to talk to my buddy who works with them I'll get a name.
If you do 2 regular batteries wire them in parallel but put an isolator on the positive lead. You can hook the isolator to the ignition so the second battery isn't connected to the first with the ignition off. This way, if you use the winch with the truck not running you won't drain your starting battery. You could also use a switch to control the isolator manually. The kind of isolator that Randy is talking about is very cool but again, somewhat pricey. I picked up a 200 amp PAC isolator for about $40.
If you do 2 regular batteries wire them in parallel but put an isolator on the positive lead. You can hook the isolator to the ignition so the second battery isn't connected to the first with the ignition off. This way, if you use the winch with the truck not running you won't drain your starting battery. You could also use a switch to control the isolator manually. The kind of isolator that Randy is talking about is very cool but again, somewhat pricey. I picked up a 200 amp PAC isolator for about $40.
Posting Guru
Joined: Jul 2003
Posts: 1,268
Likes: 0
From: Eureka, Ca.
The setup I described won't drain your starting battery. It is completely seperate from the stock system. The isolator is only 50.00 at the local Napa. Another option is to go to a marine store and get a manual dual battery swich. about 40.00 at England Marine. It lets you choose between batteries as well as running them in paraell for double the power.It is done the same as the Isolator described above. only you hook the starter to the switch and then hook the batteries to the switch also You will need to move the alt wire to the starter terminal on the switch. This is a manual setup so the battery doesn't charge unless it is selected. If you combine the two systems you would have automatic charging of both batteries as well as the option to select batteries 1 or 2 or both.
Good luck
Good luck
Last edited by Randyb12; Dec 5, 2004 at 01:21 PM.
Post Fiend
Joined: Jul 2003
Posts: 11,945
Likes: 3
From: Spokane, WA
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Thread Starter
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Fleet Mechanic
Joined: Oct 2004
Posts: 1,496
Likes: 3
From: Simpsonville, KY
Ivan, is it a bad thing to install a second batter right next to the fuel line? I installed mine last night and noticed as I was doing it that I was only inches away from the fuel filter and the fuel lines. Is this a problem or is everything hunky doory?
Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
you might try to move it further away or something but as long as everything is tight you should be fine. now when you go to work on either the battery connections or the fuel lines then i would highly suggest moving them further away.
but i am weird
-cutts-
but i am weird
-cutts-
Senior User
Joined: Mar 2004
Posts: 322
Likes: 0
From: Mountains of NE CA
...Or forget the isolators and have two "starter batteries" (exactly the same) wire them in parallel and you essentially have one big battery at 12vDC and 1750 CCA (assuming the 875 CCA you mentioned earlier) and 4 times the amp capability of the winch. The charging system will maintain both. The draw back is you will have to replace both batteries at same time when they go out. (twice the expense for twice the CCA capability). Good luck!
Thread Starter
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Fleet Mechanic
Joined: Oct 2004
Posts: 1,496
Likes: 3
From: Simpsonville, KY
That is what I was going to do but some people had HUGE objections to it... said the discharging batteries would fry each other.... which is better in your opinion and why?
Posting Guru
Joined: Jul 2003
Posts: 1,268
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From: Eureka, Ca.
It's called dualing batteries. They will fail quicker than normal. That is why isolators were invented.
if you are going to use expensive batteries then do the isolator.
Otherwise:
If the cost of two cheap batteries being replace more often is less hassle than doing the Isolator then go for it.
if you are going to use expensive batteries then do the isolator.
Otherwise:
If the cost of two cheap batteries being replace more often is less hassle than doing the Isolator then go for it.
Posting Guru
Joined: Dec 2003
Posts: 1,483
Likes: 1
From: Northern California
I havent seen any instances of batteries failing quicker when wired in parallel,these are very commonly done on both boats and motorhomes and they last just fine. The advantage of isolating your winching battery is to preserve your starting battery during heavy usage.
Posting Guru
Joined: Feb 2004
Posts: 2,148
Likes: 6
From: Western New York
Originally Posted by Randyb12
It's called dualing batteries. They will fail quicker than normal. That is why isolators were invented.
if you are going to use expensive batteries then do the isolator.
Otherwise:
If the cost of two cheap batteries being replace more often is less hassle than doing the Isolator then go for it.
if you are going to use expensive batteries then do the isolator.
Otherwise:
If the cost of two cheap batteries being replace more often is less hassle than doing the Isolator then go for it.
The reason for an isolator is so that you can run different types of batteries or different age batteries and not cause one battery to drain the other. Some people like to have insurance that if they run one battery down they have a backup battery to use. Others like 569104 like having the greater amps. This can be found on both Optima's and Odyssey's websites along with other thread discussions both here and on Pirate.