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  1. #11

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    BlazNT's Avatar
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    Re: New member with a question about my Black & Decker CMM1000

    This is not the only place I read about stuff. In the process of finding things for people on here I come across info on the stuff I'm looking up. I read and learn a lot of stuff from lots of sites. I don't normally post stuff from other sites but it is all easy to find. Just have to search.
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  3. #12
    primerbulb120's Avatar
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    Re: New member with a question about my Black & Decker CMM1000

    The charger is no longer available new. I couldn't even find a good used one on eBay. If the charger is broken, you will have to modify another charger to work with the mower.

  4. #13

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    Re: New member with a question about my Black & Decker CMM1000

    It would just take little longer to charge a 22Ah battery instead of the original 17Ah (read Ampere Hour for Ah, not mAH. It is a measure for the battery capacity - how much energy a battery can store/deliver).
    So if the charger works, the batteries should be charged. If they aren't, it could be the charger itself that is at fault (assuming that the batteries that you just purchased are OK). As per this forum, this is rare but can happen. Any electronic part in the charger circuitry can fail over time. There is no know circuit diagram for the charger, it is sad that B&D does not release it, that would be so helpful in debugging.
    There were many very interesting discussions on the CMM1000 managed by Mark Widmer on this forum, but there are becoming rarer in recent times since these CMM1000 are slowly going to mowers' heaven. Just wish somebody would still manufacture a 24V mower that is as sturdy as the CMM1000, instead of going to more expensive 36V or 48V models, and making the battery replacement prohibitive.

  5. #14
    lancisti's Avatar
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    Re: New member with a question about my Black & Decker CMM1000

    Quote Originally Posted by howie832g View Post
    It would just take little longer to charge a 22Ah battery instead of the original 17Ah (read Ampere Hour for Ah, not mAH. It is a measure for the battery capacity - how much energy a battery can store/deliver).
    So if the charger works, the batteries should be charged. If they aren't, it could be the charger itself that is at fault (assuming that the batteries that you just purchased are OK). As per this forum, this is rare but can happen. Any electronic part in the charger circuitry can fail over time. There is no know circuit diagram for the charger, it is sad that B&D does not release it, that would be so helpful in debugging.
    There were many very interesting discussions on the CMM1000 managed by Mark Widmer on this forum, but there are becoming rarer in recent times since these CMM1000 are slowly going to mowers' heaven. Just wish somebody would still manufacture a 24V mower that is as sturdy as the CMM1000, instead of going to more expensive 36V or 48V models, and making the battery replacement prohibitive.
    Thanks for the reply, howie832g. And thanks for the correction on the Ah notation. Was putting mAh simply out of habit in dealing consumer electronics. Yeesh! Anyway, after doing a voltage check on the charger output (works fine), it appears that indeed the charge circuit in the mower itself is kaput. This is VERY disappointing, but I don't have the time or the motivation to take it down to that level to try and solve the problem, especially if there's no circuit diagram for the charge electronics. Sadly, it appears I'll have to throw in the towel and give my CMM1000 (and one of the last connections to my Dad) a fond RIP. Heck, maybe he'll mow a few lawns with it wherever he is! LOL!

    Sooo, in wrapping up this saga, can anyone offer suggestions on a replacement mower that will equal or exceed the performance of my CMM1000 in mowing ability, load capacity (wet or long grass/weeds, etc.), durability, long term reliability (like my AWESOME CMM1000...16+ years with NO issues!!), and run time? I'd appreciate any and all input and your thoughts why re: any recommendations. Given that I'm a B & D fan, I'm leaning towards the CM2040 or the SPCM1936, but I am open to other manufacturers/designs. Thoughts from the collective??

    Also, does anyone out there need a brand new pair of SigmasTek SP12-22HR (12V22AH/NB terminals) replacement SLA batteries (see pic) SigmasTek 12V22AH Battery.jpg? I just purchased the pair about a month ago. I paid $100 for the pair total with shipping from ReplacementUPSbattery.com. I'd be willing to part with them for $20 each, plus whatever the shipping cost would be to whoever would like them. They are brand new and have never been charged (by default, as a result of the aforementioned charge circuit failure in my CMM1000).

    Thanks to *everyone* for all their input and suggestions up to this point. It's been very helpful.

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