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Multi batteries with a solenoid setup!

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Old 04-29-2009, 10:11 PM
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Multi batteries with a solenoid setup!

When running more then one battery, say 2 or 3, I have heard I should use a SOLDENIOD to prevent the back battery or batteries from being drain by the front battery.

Should I be using a solenoid setup? Does anyone use a solenoid or a battery isolator/regulator?

One more fast question, the more runs I have going off of the front battery will require more solenoids? Correct?

thanks for your time
Kenneth

p/s here is a little diagram of how I think it should be setup, if this is incorrect please let me know!

Multi batteries with a solenoid setup!-soleniod-set-up.jpg

Sorry I am not a very good at making picture with paint, the bottom right hand corner are suppose to be 2 Kinetik HC2400 batteries hooked in parallel, and yes I didn't include a returning negative wire from the 2400s to the front battery!

Last edited by CrazyKenKid; 04-29-2009 at 10:14 PM.
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Old 04-29-2009, 10:58 PM
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K i was thinking about adding additional battery, if that's the case im passing on that deal.... being only book smart in this field, all i can say : most of this just doesn't make much sense
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Old 04-29-2009, 11:02 PM
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Originally Posted by LaZyLuke
K i was thinking about adding additional battery, if that's the case im passing on that deal.... being only book smart in this field, all i can say : most of this just doesn't make much sense
umm i think you can avoid using a soleniod if you use 2 of the same batteries! rather then mixing and matching!! but then again soleniod only cost about 30-50 plus shipping for a 200amp soleniod...wiat a second i think i should be using a 300amp soleniod...o boy! lol!
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Old 04-29-2009, 11:10 PM
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o wow i jsut found a 300amp soleniod for like 7usd lol! but they are out of stock! crap!

Relay/ Solenoid 12 Vdc 300 Amp - SK1061
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Old 04-30-2009, 12:05 AM
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K... I wont be using the same batteries... I know a guy who recycles them and i get batteries for 40 CAD each.... I never thought of using solenoid... again just thinking theoretically, if the one battery can drain the other - wont be just simpler to instal a relay between two batteries and have them disconnected when you leave the vehicle? Just a thought.
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Old 04-30-2009, 10:03 AM
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ya well i though (maybe wrongfully) that the soleniod acted like a relay.. but i don't really know which is why i am asking!!!
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Old 05-01-2009, 07:44 PM
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bump bump anyone?
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Old 05-01-2009, 08:09 PM
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I can't say for sure, but I was under the same impression - that a solenoid is a relay capable of very high current . . . and from what I saw on your drawing everything looks correct.
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Old 05-03-2009, 10:39 PM
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Well I agree solenoid works like a relay, but only for high current and one way (you need some minimum current to turn it on- that might be the rating on it- not sure), but is this necessary in hooking up an additional battery? and shouldn't the relay be in serial connection with a solenoid? since its useless otherwise? (and running a "returning ground to the first battery"? (isn't grounding it to the frame better?)

edit: If we are referring to solenoid switch (like starter switch), not a solenoid itself which is just a coil of wire.

Last edited by LaZyLuke; 05-03-2009 at 10:42 PM.
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Old 05-03-2009, 10:52 PM
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the only reason why i run a second wire from the back battery to the front battery(the ground wire) is b/c that is what kinetik recommends! but they also recommend using 2 of the same batteries.

i believe and this coudl be wrong if you have the same batteries you don't need a soleniod, but if you have say a mastercrap and a kinetik (2 different batteries) you need to use a soleniod set up!

you asked shouldn't the relay be in serial connection with the soleniod?... isn't that how it is in the diagram?

HU->relay->soleniod->back batteries

the relay is there to TURN on the soleniod when the HU turns on.

is that what you were asking or did i miss my guess? if i did sorry!
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