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  1. #1
    Senior Member megalowmatt's Avatar
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    Cree / Magicshine, etc. - where the heck do you put the battery packs?

    After 3 years of winter commuting I finally broke down and replaced my Planet Bike 1-watt front light with one of those CREE XML T6 lights. Well, call me naive but to my surprise these things work using external battery packs.

    How do you all that use these mount the battery packs? The way I'm setting it up for today is to just put the pack in my rear rack bag as the cable seems long enough and I'll just secure the cables with velcro straps.

    Anyway, any pictures or other creative ideas?

  2. #2
    Senior Member joshuatrio's Avatar
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    Water bottle cage.

  3. #3
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    I use the top tube. Works wonders.

    For the headlamp, I thread the cord under the helmet and out the back vent and then drop the batter pack in my jersey back pocket and call it a day.

    If you need pics, let me know and I can post some.
    Feel free to visit my blog www.chefonabicycle.com

  4. #4
    Senior Member tarwheel's Avatar
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    Normally I carry the extra battery in the front bottle cage on my bike. However, one of my bikes has a front rack, where I strap the battery when riding that bike. I have also tried carrying the battery in my jersey pocket with the light attached to my helmet, but don't like having the cord running down my back and the battery filling up my pocket. I have also tried velcro strapping the battery to my stem but it's a tight fit and I'm afraid it could fall off.

  5. #5
    Senior Member himespau's Avatar
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    Mine has one of the two velcro straps on the battery coming off the battery and I need to reglue it. But, when it was right, put in on the top tube when running on the bars or the seat tube when putting it on my helmet. I have a splitter so it also powers a tail light I have mounted on my seatpost.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  6. #6
    Mad bike riding scientist cyccommute's Avatar
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    Quote Originally Posted by megalowmatt View Post
    After 3 years of winter commuting I finally broke down and replaced my Planet Bike 1-watt front light with one of those CREE XML T6 lights. Well, call me naive but to my surprise these things work using external battery packs.

    How do you all that use these mount the battery packs? The way I'm setting it up for today is to just put the pack in my rear rack bag as the cable seems long enough and I'll just secure the cables with velcro straps.

    Anyway, any pictures or other creative ideas?
    You can strap them under the stem, on top of the stem, under the top tube, to the water bottle cage or, my favorite, put them in a Cage Rocket and put them in the water bottle holder. These pictures are for an older light system but the idea is still the same and I still use the boxes. You can put two of the 2P2S battery packs in one box.




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  7. #7
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    Quote Originally Posted by cyccommute View Post
    You can strap them under the stem, on top of the stem, under the top tube, to the water bottle cage or, my favorite, put them in a Cage Rocket and put them in the water bottle holder. These pictures are for an older light system but the idea is still the same and I still use the boxes. You can put two of the 2P2S battery packs in one box.




    No water bottle love?
    Feel free to visit my blog www.chefonabicycle.com

  8. #8
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    photo-1.jpg
    diy cage rocket

  9. #9
    Senior Member no motor?'s Avatar
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    Mines under the stem. FYI, the batteries work better when they're warmer, expect to see some "shrinkage" in battery life in the colder temps. Not that you would have to worry about that in San Diego.
    Last edited by no motor?; 11-08-12 at 11:16 AM.

  10. #10
    Living the Dream stdlrf11's Avatar
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    Another DIY bottle.

  11. #11
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    Down tube water cage (I got the larger ruggedized 6 cell pack)

    I've strapped the smaller, standard size packs to the underside of the stem before on my mtn bike, but I run the light on my helmet now with an extension cord. The extension cord may also help you in terms of mounting flexibility.
    http://www.action-led-lights.com/col...xtension-cable

    If you're running low on real estate for accessories, this little attachment is pretty neat.

    http://www.action-led-lights.com/col...eadlight-mount

  12. #12
    Motorcycle RoadRacer cehowardGS's Avatar
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    Quote Originally Posted by cyccommute View Post
    You can strap them under the stem, on top of the stem, under the top tube, to the water bottle cage or, my favorite, put them in a Cage Rocket and put them in the water bottle holder. These pictures are for an older light system but the idea is still the same and I still use the boxes. You can put two of the 2P2S battery packs in one box.





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  13. #13
    Senior Member himespau's Avatar
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    Quote Originally Posted by reshp1 View Post

    If you're running low on real estate for accessories, this little attachment is pretty neat.

    http://www.action-led-lights.com/col...eadlight-mount
    Wow, that looks like a cheaper version of the dashboard genie.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  14. #14
    Senior Member ChrisM2097's Avatar
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    Quote Originally Posted by chefisaac View Post
    No water bottle love?
    Just melt the snow if you're thirsty.
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  15. #15
    Seņor Member cali_axela's Avatar
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    Did yours come with a little velcro pouch? I just used that pouch it came with on the down tube, seems to be working great. I wrapped it on tightly with some gaffer's tape once I got it positioned perfectly, because the velcro is pretty thin/weak and it was shifting around. Now it's not going anywhere.


  16. #16
    Senior Member PatrickGSR94's Avatar
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    Quote Originally Posted by ChrisM2097 View Post
    Just melt the snow if you're thirsty.
    Make sure it ain't yellow first
    2011 Felt Z85 105 | Ultegra | KMC | Selle Italia | Vuelta | Topeak
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  17. #17
    Seņior Member ItsJustMe's Avatar
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    Extension cord and thrown in the waterproof pannier. I also have a Y cable to power the taillight.
    Work: the 8 hours that separates bike rides.

  18. #18
    Mad bike riding scientist cyccommute's Avatar
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    Quote Originally Posted by chefisaac View Post
    No water bottle love?
    Winter. They'd just be useless bricks by the time I got to work anyway. A Camelbak with an insulated tube kit works better down to stupid temperatures anyway...and gives me a place to put the battery for the helmet light.
    Stuart Black
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  19. #19
    Senior Member Editz's Avatar
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    See if Gemini will sell you a single battery pouch:

    http://gemini-lights.com/products/battery-pack-6-cell

  20. #20
    Senior Member megalowmatt's Avatar
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    Thanks for the suggestions and pictures. It's been a huge help!

    Mine came with a pouch - I will probably start with it zip-tied up under the stem as I don't trust the velcro right now

  21. #21
    Captain Big Ring tractorlegs's Avatar
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    On a naked bike, on the downtube; on a dressed bike, I use the extension and put the battery in the trunk or panniers.
    **************************************************
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  22. #22
    Senior Member himespau's Avatar
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    Quote Originally Posted by tractorlegs View Post
    On a naked bike, on the downtube; on a dressed bike, I use the extension and put the battery in the trunk or panniers.

    I've thought of doing that, but didn't know if it'd overheat. Don't know why it would, but as hot as the light gets, I guess I just thought the battery would have some problems if not in moving air either. Sounds pretty dumb now when I actually see it written.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  23. #23
    Senior Member Editz's Avatar
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    Not sure how the pouch attaches, but DiNotte sells a nice wide velcro strap for its batteries.

  24. #24
    Descends like a rock pallen's Avatar
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    Top tube, stem, sometimes even on the handlebars. Mostly top tube.

  25. #25
    coprolite fietsbob's Avatar
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    If its Cold Outside, wear them under your coat, batteries work better if Not Cold.

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