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  1. #1
    Senior Member jpuck's Avatar
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    new battery

    I just bought a new battery, it is a AGM battery and a little smaller than stock in size but more CCA. it is 12V-6ah-180cca. bought from PowerSportBatteries.com batery#WPZ7S price 43.90 shipping 7.95 totle 51.85 ordered on 12-2-2013 received 12-6-2013 . temp. is 24* outside and tw started faster then with stock battery. will let you know in time how it is working out.

  2. #2
    Senior Member frog13's Avatar
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    Who makes this battery?. Is it from Japan , China or ?. Just curious. I had a China made battery in the TW when I bought it a couple of yeears ago.....leaked a bit of fluid up through the cap(s).....hadn't even taken it off road at that point?.

  3. #3
    Senior Member williamemack's Avatar
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    I have an AGM in my BMW R65 that has been there and cranking fine for over 8 years! YRMV

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    Senior Member MCC1776's Avatar
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    Quote Originally Posted by jpuck View Post
    will let you know in time how it is working out.
    Please do. Highly interested.
    1987 TW200
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  6. #5
    Senior Member jpuck's Avatar
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    Quote Originally Posted by frog13 View Post
    Who makes this battery?. Is it from Japan , China or ?. Just curious. I had a China made battery in the TW when I bought it a couple of yeears ago.....leaked a bit of fluid up through the cap(s).....hadn't even taken it off road at that point?.
    power source batteries distributed by lynn vick products,made in vietnam.

  7. #6
    Senior Member RockyTFS's Avatar
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    Quote Originally Posted by jpuck View Post
    I just bought a new battery, it is a AGM battery .......
    I put an AGM in first thing on my new bike because the original had been sitting dead on the dealers floor for 6 months and I didn't trust it. He offered to replace with new but I said no, I want an AGM. Got a few bucks off.
    Three years and 6,500 miles later it's still fine. The nice thing is AGM's can sit upside down for quite a while and never leak acid into your battery compartment!
    Rocky
    2018 TW200
    2014 BMW R1200GS LC

  8. #7
    Senior Member Polarpilot's Avatar
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    I put in a Shorai Lithium battery in my TW last summer . My son did most of last summer's riding but it appears to be perfect. Bike is away just now until next summer so all I can observe is the first year was what I expected it to be.
    The Shorai spun the battery very rapidly and it never failed to start - not much else can be asked of a bike batterry

  9. #8
    Senior Member RockyTFS's Avatar
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    Quote Originally Posted by Polarpilot View Post
    I put in a Shorai Lithium battery in my TW last summer .
    Just as a caution, I put one in my BMW, and although the battery has performed just fine, I did not find that it held a charge in cold weather NEARLY as well as the advertising suggested. The Beemer may well have some parasitic draw, but I needed to put it on the Battery Tender Jr. at least every two weeks. I'm not sure that leaving it on a tender for the whole winter is a good idea, so I just hook it up for a day or two about twice a month. I'll bet if you pull it and keep it at 30 or so it may go the whole winter, but getting it out of the Beemer is such a hassle I won't do it.

    Saves a LOT of weight!

    BTW, I only have to charge the AGM battery on the TW once a month for a day with the BT Jr., but I doubt if the TW has any parasitic draw as long as the terminals are clean.
    Last edited by RockyTFS; 12-08-2013 at 06:32 PM.
    Rocky
    2018 TW200
    2014 BMW R1200GS LC

  10. #9
    Senior Member RockyTFS's Avatar
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    [QUOTE=AGman;92735
    I wonder if the battery doesn't hold a charge or it won't supply it's charge in cold weather?[/QUOTE]

    Well, supposedly the Li batteries do a great job of supplying a good jolt when cold, and hold a charge for a long time, but that hasn't been my experience. It seemed to do that when new, I started the bike fine at around 20 F. no problem. However, last winter I let it go flat (see above), like down to 3-4 volts, and the Battery Tender Jr. would not even charge it. I had to apply about 10 amps from an automotive charger to get it back. It's been fine ever since as long as I keep it well charged, but there is a significant likelihood that I damaged it. The directions specifically say not to ever let it get below 11 volts or so. If I let it go for two weeks at about 30 F. I can really tell it's laboring to start the BMW.

    So I would think that as long as you are careful to keep a Shorai in a good state of charge, it would perform just fine down to -10 C, especially on a fairly easy to crank bike like the TW. My AGM in the TW is not so particular, besides being half the cost.....I can let it go for at least a month at those temps before giving it a charge.
    Rocky
    2018 TW200
    2014 BMW R1200GS LC

  11. #10
    Senior Member Tuber's Avatar
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    its easy enough to take the battery out, so I pull mine in the winter and keep it on the workbench. that way I can put the Battery Tender on every month or so. I do the same with my other small batteries.
    2005 Tdub

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