Excal II Battery Replacement
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  1. #1
    us
    Oct 2013
    Coastal Plains
    EXCAL II BHID DFX MXT
    132
    38 times
    Metal Detecting

    Excal II Battery Replacement

    Hello everybody. I was hoping maybe someone could help me solve a problem with my machine. I have an Excal II that I bought 7 years ago and it has started to act very strange and unstable lately when I try to use it. The battery is the stock battery that was in it from Minelab when I bought the machine in 2013.

    I have always kept it charged to 14.8 volts all the time even when I am not using it and in the closet at home. The threshold will not settle down to a hum and just goes crazy and erratic no matter what the volume is set at. Also it doesn't matter what beach I am on or what conditions I am hunting, using it in Disc or AM. No matter what sensitivity or any other setting that I choose. I have checked the battery output voltage under a load with the the coil plugged back in with my hand held meter after I charge it with the Minelab wall plug charger and it reads apprx 13.99-14 volts. And then after it sits overnight, the reading will fall to 12 volts.

    I have a gut feeling that I need a new battery pack, would you please help to confirm this if so. Also, if I do need to replace the battery pack, what do you guys suggest?? I have never had any problems with this detector what so ever, it will hunt its butt off and has constantly amazed me many times on the surf but now I can't make any sense out of what its trying to tell me with all of this insane racket that its making.

    Thanks for any, and all advise
    Greg

  2. #2
    Charter Member
    us
    Jul 2006
    Florida
    Minelab_Equinox_ 800 Minelab_CTX-3030 Minelab_Excal_1000 Minelab_Sovereign_GT Minelab_Safari Minelab_ETrac Whites_Beach_Hunter_ID Fisher_1235_X
    40,759
    36297 times
    All Types Of Treasure Hunting
    Sounds like your battery is going bad, Excal will run on 12 volts but once it drops below 12 volts it will start acting up as it needs min 12 volts to run all the circuits on the motherboard..
    RustyGold likes this.
    PLEASE READ OUR RULES. CLICK HERE TO READ ------> TreasureNet.com Rules

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  3. #3
    us
    Oct 2013
    Coastal Plains
    EXCAL II BHID DFX MXT
    132
    38 times
    Metal Detecting
    Thanks for the reply. What do you suggest as a replacement pack for it? Should I call Minelab or something else?

  4. #4
    Charter Member
    us
    Jul 2006
    Florida
    Minelab_Equinox_ 800 Minelab_CTX-3030 Minelab_Excal_1000 Minelab_Sovereign_GT Minelab_Safari Minelab_ETrac Whites_Beach_Hunter_ID Fisher_1235_X
    40,759
    36297 times
    All Types Of Treasure Hunting
    You can get a battery on ebay or online. Look for 1500mA Nihm battery on ebay or online.

    Here is link so you know what to look for, I do not know dealer just showing you what to look for.

    https://www.ebay.com/itm/1500mA-NIMH...MAAOSwq1JZHGN2
    PLEASE READ OUR RULES. CLICK HERE TO READ ------> TreasureNet.com Rules

    USAF Intelligence 1967-1971

    I do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic..."

    No Expiration Date!


    2nd Amendment
    "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed"

    Si vis pacem, para bellum "If you want peace, prepare for war!


    I exercise my right to keep and bear arms 24/7/365


    (Per Admins avatars and signatures do not fall under rules for politics.)

  5. #5
    us
    Oct 2013
    Coastal Plains
    EXCAL II BHID DFX MXT
    132
    38 times
    Metal Detecting

  6. #6
    Charter Member
    us
    Aug 2013
    Southern California
    Equinox / XP Deus
    9,059
    10245 times
    Also, if you haven’t done so already, clean the sand out between the coil and coil cover.


    “Strive not to be a success, but rather to be of value.”
    – Albert Einstein

  7. #7
    Charter Member
    us
    Jul 2006
    Florida
    Minelab_Equinox_ 800 Minelab_CTX-3030 Minelab_Excal_1000 Minelab_Sovereign_GT Minelab_Safari Minelab_ETrac Whites_Beach_Hunter_ID Fisher_1235_X
    40,759
    36297 times
    All Types Of Treasure Hunting
    Quote Originally Posted by RustyGold View Post
    Also, if you haven’t done so already, clean the sand out between the coil and coil cover.
    Always a good idea to clean coil cover every time used, but sand wouldn't cause the battery voltage to drop from 14 volts to 12 volts over night as described.
    PLEASE READ OUR RULES. CLICK HERE TO READ ------> TreasureNet.com Rules

    USAF Intelligence 1967-1971

    I do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic..."

    No Expiration Date!


    2nd Amendment
    "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed"

    Si vis pacem, para bellum "If you want peace, prepare for war!


    I exercise my right to keep and bear arms 24/7/365


    (Per Admins avatars and signatures do not fall under rules for politics.)

  8. #8
    Charter Member
    us
    Mar 2011
    San Diego
    Equinox 800, Fisher Impulse AQ, E-Trac, 3 Excal 1000's, White's GM3 V-sat. White's TM808, VibraProbe, 15" NEL Attack, 5X10 Joey, Steath 920ix and 720i, TRX, etc....
    11,085
    9496 times
    All Types Of Treasure Hunting
    Honorable Mentions (3)
    I'm a firm believer in the RNB detector batteries.
    ​Avitech Associate

  9. #9
    us
    Oct 2013
    Coastal Plains
    EXCAL II BHID DFX MXT
    132
    38 times
    Metal Detecting
    Thanks for the replies.

 

 

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