How to Install a LARGER battery (such as Odyssey PC925 AGM)
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How to Install a LARGER battery (such as Odyssey PC925 AGM)

This is a discussion on How to Install a LARGER battery (such as Odyssey PC925 AGM) within the ACE How-To's and Guides forums, part of the Polaris ACE Forums category; HOW TO INSTALL A LARGER BATTERY (SUCH AS THE ODYSSEY PC925 AGM battery) and a battery charging wiring set up *** I JUST FIXED ALL ...

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Thread: How to Install a LARGER battery (such as Odyssey PC925 AGM)

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    Lightbulb How to Install a LARGER battery (such as Odyssey PC925 AGM)

    HOW TO INSTALL A LARGER BATTERY (SUCH AS THE ODYSSEY PC925 AGM battery) and a battery charging wiring set up

    *** I JUST FIXED ALL THE PICTURES IN CASE THEY WERE MISSING WHEN THREAD WAS VIEWED ******


    After the OEM SLA battery kept dying on me, AND I realized how incredibly miserable it was to access the ACE battery....
    I decided to upgrade to an AGM battery with charger wires installed so I'll NEVER have to access that compartment again!!

    Several members here were VERY helpful in giving info on upgrading to a larger battery, thanks Atv bandit!

    So I wanted to do this step-by-step "HOW TO" for other ACE owners.

    BATTERY INSTALLED: ODYSSEY PC925 (NON-L model):
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    ITEMS NEEDED: "L" TERMINAL ADAPTER KIT
    Available at Amazon and other places: Amazon.com: Odyssey L Terminal Adapter: Automotive

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    ************************************************** *****************

    [1] Remove seat


    [2] Remove black plastic panel from behind seat by undoing 2 knobs
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    [3] Remove fasteners and pop rivets from CUPHOLDER PIECE AND FLOOR EDGING piece



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    [4] Gently pull both pieces away from cab, to give you better access to battery compartment.
    You DON'T have to remove them all the way.



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    [5] REMOVE OLD OEM BATTERY-

    • The metal battery hold down strap needs to be removed.
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    • FIRST, Remove the one 10mm bolt on LEFT side of bracket strap first (if you were in seated position in cab)


    • Other side is hooked onto a tab - free the metal strap from this tab.
      This will take some wiggling and possibly some cursing....




    [6] REMOVE the old battery:

    • Remove red rubber cover from positive (red) terminal
    • Remove the bolt and nut from each terminal.
    • Remove old battery

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    [7]
    If installing a LARGER battery ....
    I highly recommend the ODYSSEY PC925 AGM battery , about $160


    • You must move the left side metal seat track out of the way to get
      the larger battery into the battery compartment


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    • SEAT TRACK is held on by two 13mm bolts:

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    • LOOSEN the FRONTward bolt with a 13mm socket.
    • REMOVE the REARward most bolt and set aside.

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    [8] Then MOVE the rear part of track away from battery area, toward right side.
    (Yes, I know, the rear bolt is still present in this pic...and subsequently fell down into the bowels of my ACE... thus my recommendation to remove it!)


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    [9] INSTALL NEW BATTERY:

    • Install L adapers on both terminals of battery
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    • Insert battery on it’s side, with terminals at top of side, same as in pic above.

    • The terminals facing leftward (toward yourself)

    • **Make sure you move the disconnected battery wires out of the way so they’re NOT UNDER the new battery.



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    [10] Attach/Install the ORIGINAL BATTERY TERMINAL WIRES, AND THE BATTERY CHARGER WIRES to both terminals:

    • Feed the positive/hot wire under and to the left side of the metal strap down bracket and backward toward rear of cab.

      Name:  DSC_1146.jpg
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    • Then bring charger wires facing forward a few inches, where there’s plenty of room to store the charger end cap. (It will be sitting on top of the gas tank)

      Name:  DSC_1173.jpg
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    [11] Reinstall the METAL BATTERY STRAP DOWN BRACKET:


    [LIST][*] There's 2 tabs depending on how tall the battery is, so catch the bracket on the appropriate tab on the right side (as in seated position in cab).
    You MUST use the higher tab for the Odyssey PC925 battery.



    [*] It will fit EXTREMELY SNUGGLY OVER THE BATTERY.
    You’ll have to push down a bit on the battery and bracket to catch the tab.




    [*]Reinstall bolt on left side of bracket-
    YOU'LL NEED AN EXTENSION on screwdriver with a 10mm socket.

    ** TIP: Put some tape on the socket and bolt so it doesn’t fall out of socket when you go to install it….remember gravity or you’ll be lifting that dang 26lb battery out of the compartment to chase that bolt!



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    [12] Reinstall the LEFT SEAT TRACK BOLTS and tighten FIRMLY:

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    [13] Zip-tie the charger wires to the metal bar going side-to-side (same bar the seat track is bolted to)

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    [14] Lastly, Zip-tie the charger wires from BOTH positive and negative terminals to the metal strap down bracket.

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    [15] Reorient the plastic cladding pieces back to their original positions and re-fasten all fasteners and button it all up.
    All pieces will fit as they originally did, no problem.




    FINAL LOOK OF BATTERY AND CHARGER INSTALLATION:Name:  DSC_1175.jpg
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    **** DISREGARD THE 2 PICS BELOW, FOR SOME REASON I CAN'T DELETE THEM**** .....
    Attached Images Attached Images    
    Last edited by Ace Kat; 02-18-2018 at 09:36 PM.

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    Looks good. Thanks for the easy to follow tutorial.

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    Nice. Lots of stuff to remove but doesn't seem that bad overall.
    ------------------
    I sold my ACE and am no longer a moderator on this forum. In fact I'm not participating on this forum at all. Sending me questions about my previous signatures is not likely to generate a response. But if you ask your question to the forum publicly, I'm sure you'll get what you need.
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    very nice "How2"...
    I don't even have one but I'd feel good enough to try it...

    just a dumb question, batteries these days, ok to have on the side?
    I'm assuming yes or you wouldn't have done it, but just to clarify?

    I'm from the Lead Acid with water caps on top generation.....

    thanks and again great "How2"... thanks...

    fun..
    Loaded and Tied,
    Ready to Ride -
    'Litl Nel' (Ace 900)

    pooles web
    frank

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    I guess one of the major selling points of AGM batteries is that they're fully sealed, can be installed in any orientation, and are not very susceptible to shock/vibration.
    And one of the downsides is that they are prone to "thermal runaway" which can cause "sudden and large scale failure". >:O

    http://en.wikipedia.org/wiki/VRLA_battery
    Last edited by Scoundrel; 12-19-2014 at 03:36 PM.
    fpoole likes this.
    ------------------
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    Keep the rubber side down!
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    Quote Originally Posted by Scoundrel View Post
    I guess one of the major selling points of AGM batteries is that they're fully sealed, can be installed in any orientation, and are not very susceptible to shock/vibration.
    And one of the downsides is that they are prone to "thermal runaway" which can cause "sudden and large scale failure". >:O

    VRLA battery - Wikipedia, the free encyclopedia
    Further down in that wiki it says:

    • VRLA batteries are more vulnerable to thermal run-away during abusive charging
    • Have shorter useful life, compared to properly maintained wet-cell battery.[14]


    ~Maybe that's why the various mfgs recommend battery chargers specifically designed for AGMs. We have a C-TEK charger, one of the brands recommended. We have had 4 different Optima AGM batteries over last 5 -6 years in 4 different vehicles and campers and used the CTEK mostly on the camper deep cycle battery.
    Have never had a problem with any of them, but I have heard of others having the red top and yellow top crapping out way prematurely. Often within warranty period. Now that I've learned about Odyssey AGMs, and their longer service life, we decided to go with them in our ATVs.

    ~As to useful life being shorter than a SLA....I've never heard that in any other place...in fact, heard the exact opposite....so that one has me stumped.

    Overall....we'll never have any other type of battery.

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    Nice tutorial Ace Kat! Glad I was able to help you out! You won't be sorry about buying this battery! They rock!

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    Hey Scoundrel, this NEEDS to be made a sticky ....
    Bob & Betsy - USN Ret'd '78 & LEO Ret'd '03 & "Oath Keeper forever"
    '11 Chevrolet Silverado LT, Ex Cab, 6.2L NHT Max tow, with 2010 Silver Rzr 800 LE & 2013 Rzr 570 on the trailer behind.
    Where the wheels are stopped

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    Indeed. It is done.
    ------------------
    I sold my ACE and am no longer a moderator on this forum. In fact I'm not participating on this forum at all. Sending me questions about my previous signatures is not likely to generate a response. But if you ask your question to the forum publicly, I'm sure you'll get what you need.
    Keep the rubber side down!
    -=-=-=-
    Check out my UTV Guide to Washington State at http://www.utvadventuresllc.com!
    -=-=-=-

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    EDIT....Just found this picture on the 'net of the battery area etc of the ACE and it's so squeeky CLEAN figured I'd include it here for reference since mine was so dusty!
    Last edited by Ace Kat; 01-12-2016 at 07:50 PM.
    Scoundrel likes this.

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