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  1. #1
    Very Active Member Lew L's Avatar
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    Thumbs up Sena battery replacement

    So the battery on my Sena control unit didn't last but about 5 hours-- wife's could last a couple of hours more. So----- I ordered a new battery and replaced it. Not a hard job ( if you don't screw up the Molex connector). Now it also charges faster and the replacement battery is 20% more amperage. There are videos out there.

    Oh: good vision, steady hands, and good light do help a lot.

    Lew L
    Kaos----- Gone but not forgotten.

    2014 RTS in Circuit Yellow, farkle-ing addiction down to once every few months. ECU FLASH IS GREAT.
    2014 RTS , Circuit Yellow

  2. #2
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    Default I did mine as well

    I replaced the battery on my 20S as well. As you say, not difficult and performance is outstanding as the unit lasts all day now.

    Rob

  3. #3
    Very Active Member oldguyinTX's Avatar
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    Default

    Quote Originally Posted by Lew L View Post
    So the battery on my Sena control unit didn't last but about 5 hours-- wife's could last a couple of hours more. So----- I ordered a new battery and replaced it. Not a hard job ( if you don't screw up the Molex connector). Now it also charges faster and the replacement battery is 20% more amperage. There are videos out there.

    Oh: good vision, steady hands, and good light do help a lot.

    Lew L
    So, are you talking about and SMH10 helmet unit or other model Sena helmet unit? or the SM10 dongle? Inquiring minds want to know. We have 5 year old SMH10's with an SM10 dongle, and so far, the batteries in the SMH10's still hold up to a full day's riding. I generally just charge them the night before we are going out for the day. I don't leave them on a charger all the time. Same with the SM10. The Spyder charges that, and unless I forget to turn it off, it stays plenty charged.
    "A Wise Man Once Said, I Should Ask My Wife."
    2017 Champagne Metallic RT-S SE-6 Rivco Dual Flag Holders; Slingmods Highway Pegs; (Hate Them) Airhawk Seat Cushion; Show Chrome Black Touring Rack w/ Risers & Touring Windshield; RAM X Mount For TXTAG; TackForm Phone Mount; Lidlox; Magic Mirror Mounts; Guardian Bells; WOLO "Bad Boy" Air Horn; Dual USB Power Outlet With Voltmeter; 12V outlet for misc. stuff; Spyderpops Full View Mirror Turn Signals; Large Brake Pedal; Kott Grilles; Large Mud Flap; BajaRon 3 Piece Sway Bar, Last But Not Least, Kuhmo Rear Rire, Vedrestien Fronts.
    2017 RT-S , Brake pedal extender is twice the size of the stock pedal. Champagne Metallic

  4. #4
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    Default Batteries for SMH10

    Quote Originally Posted by Lew L View Post
    So the battery on my Sena control unit didn't last but about 5 hours-- wife's could last a couple of hours more. So----- I ordered a new battery and replaced it. Not a hard job ( if you don't screw up the Molex connector). Now it also charges faster and the replacement battery is 20% more amperage. There are videos out there.

    Oh: good vision, steady hands, and good light do help a lot.

    Lew L
    What is the battery #? Thanks in advance.

  5. #5
    Very Active Member Lew L's Avatar
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    Default

    Old guy,


    SMH 5 --- so its been around the block a few times.

    Marty,

    Just google SMH 5 battery and you'll get the number.

    Be careful with the Molex plug!!!! The plastic is softish. Also check polarity first. Video said it's sometimes reversed ( use pins and a volt/ohm meter )

    Lew L
    Kaos----- Gone but not forgotten.

    2014 RTS in Circuit Yellow, farkle-ing addiction down to once every few months. ECU FLASH IS GREAT.
    2014 RTS , Circuit Yellow

  6. #6
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    Default

    If anyone does not feel comfortable doing battery replacement, I have been doing it free for people.
    You buy the batteries (I can give you links on Ebay) and pay shipping both ways.
    I have done about 30 of them so far for many Spyder Lovers.
    This includes Cardio units as well.

    Oh and I also can do GPS batteries.

    Message me if you want to connect and have me do yours.

    Bob
    2011 RT-S SM5 , Baja Ron Black

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