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has any one put a 2 battery set up on a max IV .i know i need one for running acc and winching . doin't want to run out of battery power . as the kohler has no pull start . thanks robbie .
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Last edited by rdr; 03-13-2008, 09:14 AM.1999 max 2 18 b&s 22 tires custom . new max iv 23 k 26 i/n tires brown . ht cable promark winch . new toy 1972 attex st400 400ccjlo and she will be bad . ( the frog )
if it don't float with out you getting wet . don't bring it ! 
R.I.P sage rogers 4 11 09 . you can't fix stuped !!!!! raceone 3 .) -
Ive been wanting to do the same to my maxiv -
chris i think you go + to + and - to - to give it longer life . i know i'll need that extra battery for winching and i would like to add a boom box . can't live with out tunes . may be some lights.. robbieOriginally posted by chrisivins View Post1999 max 2 18 b&s 22 tires custom . new max iv 23 k 26 i/n tires brown . ht cable promark winch . new toy 1972 attex st400 400ccjlo and she will be bad . ( the frog ) if it don't float with out you getting wet . don't bring it ! R.I.P sage rogers 4 11 09 . you can't fix stuped !!!!! raceone 3 .)Comment
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Use the same battery or isolate them
When running two batteries you need to get the same battery at the same amperage or the weak one will kill the strong one at rest. It should be ok when charging or discharging but you either disconnect them with a solenoid or use a dual battery isolator. Run them in parallel as if you were boosting yourself.
You may be better trying to get one larger batteryWhy do we waste tax money on bridges and roads when we can all just drive AATVsComment
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extra battery
There was a thread recently where some people were advocating the use of a dry cell 12 volt battery. has anyone seen such a dry cell battery?
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doi;t know if you find out let me know thanks robbie .Originally posted by philipatmaxfour View PostThere was a thread recently where some people were advocating the use of a dry cell 12 volt battery. has anyone seen such a dry cell battery?1999 max 2 18 b&s 22 tires custom . new max iv 23 k 26 i/n tires brown . ht cable promark winch . new toy 1972 attex st400 400ccjlo and she will be bad . ( the frog ) if it don't float with out you getting wet . don't bring it ! R.I.P sage rogers 4 11 09 . you can't fix stuped !!!!! raceone 3 .)Comment
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Dry Cell Battery
Try the Attex forum for the thread on the Dry Cells.
MikeComment
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batteries
I would use a battery isolater thats how I hooked up mine on my max 4Comment
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Here is the dry cell thread
"Don't worry my Dad's a TV repairman, he has an excellent set of tools..I can fix It"Comment
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Solenoid over an isolator
I would use a solenoid over an isolator for many reasons including cost .
Basically think of you batteries as two glasses of water one is bigger then the other with a straw between them. The small glass of water will over fill while the big glass is getting emptied. An Isolator is like a big diode or one way valve that does isolate but not 100% .
A Solenoid will open the circuit between the two batteries 100% it will act as a very high current relay or an electromagnetic controlled switch. Taking away the straw between the glass of water all together .
The only thing is you need to source a solenoid with a continuous duty cycle not a momentary one like a starter motor solenoid . Water Proof and this will have the best type battery isolation that will handle more current and cost less then a battery isolator.
There are two large terminals on the solenoid, this is to open the circuit between to two batteries when inactivated .Large terminal One to batter 1 + and large terminal two to batter 2 + . The Two small terminals are to close the circuit when powered will connect the two batteries just hook one small terminal to ignition ( power when key is on ) and the second small terminal to ground ( - negative side of battery )
Proper fusing and fusible links are a highly recommended and you may want to toggle you volt meter between the two batteriesWhy do we waste tax money on bridges and roads when we can all just drive AATVsComment
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Technically the solenoid you are talking about is actually a relay.I would use a solenoid over an isolator for many reasons including cost .
(not that the definition really matters...).
I agree however with the physical separation rather than a diode, this will allow you to have a little more control over your power if need be. (have the relay latched during the charging and running of the engine, as well as wire up a switch where you can toggle the relay at will)
-BeemanComment
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solenoid switch vs. Relays
You could use a relay but most automotive relays can handle up to 30/40 ampsOriginally posted by Beeman View PostTechnically the solenoid you are talking about is actually a relay. (not that the definition really matters...).
I agree however with the physical separation rather than a diode, this will allow you to have a little more control over your power if need be. (have the relay latched during the charging and running of the engine, as well as wire up a switch where you can toggle the relay at will)
-Beeman
Most 12v solenoid switchs are 80-200 amps
You may find an exception to this but commonly relays are lower current
Continuous 250amp model
Solenoid Switch L-Series 12V - PN 5301 - Blue Sea Systems
Basically they do give you the same result but a winch may use a solenoid over a relay for the currant capacityWhy do we waste tax money on bridges and roads when we can all just drive AATVsComment
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Here are pictures of my Max IV 27 horse kaw. I used a marine 4-way battery switch. I usually run battery 1 and the next time I ride, battery 2 to keep them both charged. You can also run both batteries together. Both batteries are the same size.The 4th position is off. ( I'm not sure if these pictures will load properly, if not I will try again!)
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I apologize that the pictures I tried to post earlier did not work. Here's my next attempt. I hope this works!
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I forgot to post the battery switch.
I needed to make one small cut in the cover to fit over the switch. ( not shown)Comment
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