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Thread: Lithium batteries

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    Lithium batteries

    Has anyone any experience of these 'new' lithium batteries?
    Before I knock up a battery/electric box for my bobber project, I'm wondering how small i can go on the battery dimensions. Any suggestions on a good lithium battery suitable for an early EVO big twin that's as small as possible whilst retaining good reliability and longevity?
    Cheers.

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    Re: Lithium batteries

    I'm running a JMT VBT-1 on my Heritage as the stock type was struggling to turn the beast over. Coming up to two years now and I keep it on a Lithium charger. It puts out 420 CCA instead of the factory 310 and spins it over like a moped. Weighs next to nothing ...

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    Re: Lithium batteries

    Thanks for such a prompt response Alex. Do you have the dimensions to hand? Oh wait ... I see that it is 175mm x 87 x 152. Are you ware of anything smaller thats as reliable?
    Last edited by Cicero; 09-09-2019 at 10:50 AM.

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    Re: Lithium batteries

    So far mine's been great but I do keep it on a tender. I think when they fail they do so instantly and that's the end of them. They were known for bursting into flames in the early days but that particular trait seems to have been overcome now The reason for me buying one was for increased cranking amps whereas you're more interested in the dimensions. I think I'd approach it with what size box looks right then check whether the available batteries have the required cranking amps to turn your engine over. They're not cheap ...

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    Re: Lithium batteries

    I used a wps lithium battery for my build. Still works like a charm years on. Thoroughly recommended.

    http://hog-build.blogspot.com/2016/0...gress.html?m=1

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    Re: Lithium batteries

    Many thanks to Alex and Paul. Anyone else with with relevant input; feel free to chip in.

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    Re: Lithium batteries

    Look into the charging input it needs. I can't speak from experience, but on the airhead BMW forums people have been having issues with custom builds using lithium batteries because apparently they need a stronger charging rate than the (notoriously weak) BMW stock system delivers.

    Harley being another manufacturer with a pedigree of dodgy charging systems, might pay to do some research especially given that your donor bike is an older model.
    Much less involved.....

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    Re: Lithium batteries

    Thanks Kev. Good advice; I'll factor it into my research.

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    Re: Lithium batteries

    I had one from Antigravity Batteries, 01702 301664, on a previous bike. Minuscule size and weight with massive cranking output. Worth a call to get something suited to your exact needs.

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    Re: Lithium batteries

    Hi Steve. I had a look at these on-line. They seem impressive and the size is tiny, but the £350 price tag for the recommended V Twin option is a little daunting. It might be a case of you get what you pay for, but I don't need to go quite so small so I'm hoping I can find something suitable with a length of around 150mm that is a bit cheaper.

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