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Discussion Starter · #1 ·
It would be cool if there was a bottle cage that can hold a battery pack. I am not to happy about just strapping the battery pack on the frame.
 

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I believe someone made one. Check the battery thread. Maybe it was using a lipo battery.
 

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There have been a few posts in the past where folks cut open a water bottle to fit a battery inside and glued it back together. Also IIRC Pedros make a water bottle that opens up and is meant for holding tools and tube etc. Those have been used for batteries as well.
 

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If you don't mind the peanut gallery post a pic of your bike. Maybe we can come up with something. I think the DIY bottle holder sounds easy though. I used to lose water bottles if the cage wasn't bent to hold the bottle tight, you might strap the bottle to the cage to be extra safe. I use an extra cinch strap on my frame mounted batteries just for peace of mind.
 

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Thanks. Surprised no one has designed a clean sleek solution for this.
It seems there is not a lot of demand as it is very rarely discussed (on MTBR anyway). That being said, if there were enough interest I'd try to come up with something. That was how I got into building and selling adapters for lights to fit on the GoPro mounting system. Helps keep this old retired guy in beer money!
 

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Discussion Starter · #10 ·
Vance, mountain bikers usually carry backpack hydration so the water bottle screws can be ideal mounting and weight distribution. . I'm thinking of a bracket of sorts that will fit the average 4 battery pack. It can be be raw, without covering, but in a neat carbon look. It can resemble a cage which the top locks on.
 

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I'm thinking of a bracket of sorts that will fit the average 4 battery pack. It can be be raw, without covering, but in a neat carbon look. It can resemble a cage which the top locks on.
I'm sure that it would not be hard to do up a bottle mount battery pack bracket. It's not worth the time to me if there is low probability to sell about 10 or more. Since there has been so little talk here about it, I'm not sure the demand exists. Hopefully this thread might get folks thinking about it and interest develops.
 

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There have been a few posts in the past where folks cut open a water bottle to fit a battery inside and glued it back together.
It will look really ugly, at least in all the cases I've seen. Better option is, to find a bottle with opening wide enough to put the battery without cutting.

Also IIRC Pedros make a water bottle that opens up and is meant for holding tools and tube etc. Those have been used for batteries as well.
This is exactly what I did: there's a plenty of companies making such containers - look for "bottle toolbox" on eBay for example, and add a cable gland to keep it waterproof.

My bottle battery:

DSC00862-vi.jpg


I also put additional velcro band over frame tube and battery, to assure it won't jump out on harsh terrain...
 

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I used a wide mouthed bottle, heated it up using an industrial heat gun, then popped the lipo battery inside. Used a bunch of open cell foam to take up the space. Trim the nipple so the cable can slide through, mine is sealed up tight and weatherproof.
 

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I can't see any of this being a problem. Just buy a *water bottle and put the battery inside. You will likely have to pack some cloth around the battery to keep it from rattling but that shouldn't be a problem. The hardest part will be cutting the drinking valve out so you can pull the wire through. If you have good bottle holder it shouldn't come loose but you can always use a velcro strap to secure it if it seems too loose.

Back in the day you used to see "water bottle batteries " all the time. Somewhere along the line their popularity faded as most people preferred alternative frame mounting. Owning a bike frame that can't easily mount a battery would be a PITA. In a pinch you could mount it to the stem but would look a little odd-ball. I've mounted a two-cell to the stem before but never a 4-cell.

( * Note; the water bottle I've mentioned above has a wide-mouth screw off top and will easily fit a 4-cell battery without too much problem. The one I use ( for water ) is the Camelback "Podium" bottle. I use this with my road set-up. )
 

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These do exist, here is the one from Open Light Systems: Open Light Systems LLC | Lupine Battery Bottle - Bottle Holder: Works with any Lupine batteries | Lithium Ion Batteries and Accessories for Lupine, Sigma, MyTinySun, MagicShine, BikeRay, and DealExtreme Lamp Heads
It has a lupine cable, in it but that could easily be swapped out for other varieties.

Ours is a fairly standard bottle with a plastic compression fitting that locks the cable into place in the top and has 2 compartments, a big one for the battery and a smaller one for keys or whatever else you need to keep with you.

Lupine has moved to making their battery part of the bottle: Lupine Lighting Systems North America | Big Ben 17.5 Ah Bottle Battery

I am quite surprised that there are as few ready made options as there are, but in our experience, the bottles are more popular with road applications than trail applications.

I promise that I am not trying to sell anything here, just pointing out some design options. :)
 

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Discussion Starter · #18 ·
These do exist, here is the one from Open Light Systems: Open Light Systems LLC | Lupine Battery Bottle - Bottle Holder: Works with any Lupine batteries | Lithium Ion Batteries and Accessories for Lupine, Sigma, MyTinySun, MagicShine, BikeRay, and DealExtreme Lamp Heads
It has a lupine cable, in it but that could easily be swapped out for other varieties.

Ours is a fairly standard bottle with a plastic compression fitting that locks the cable into place in the top and has 2 compartments, a big one for the battery and a smaller one for keys or whatever else you need to keep with you.

Lupine has moved to making their battery part of the bottle: Lupine Lighting Systems North America | Big Ben 17.5 Ah Bottle Battery

I am quite surprised that there are as few ready made options as there are, but in our experience, the bottles are more popular with road applications than trail applications.

I promise that I am not trying to sell anything here, just pointing out some design options. :)
Nice win!

I would like to see a very simple aluminum square caged box that a battery drops in and is latched. I do not like the bottle look as it looks too rode and not rugged. For me, it is about balance of function and form.
 

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Back in the day you used to see "water bottle batteries " all the time. Somewhere along the line their popularity faded as most people preferred alternative frame mounting.
IMHO, there's strong reasons behind these changes. Back in the halogen days, current consumption of decent bulb dictated use of big and powerful battery (anyone here remember Sigma Mirage with lead-acid brick?), then first LEDs switched us to the AA, and finally lithium cells developed initially for the notebook market appeared to be powerful enough to provide the current even for "serious" LEDs. Mounting of such small battery into bottle cage was simply meaningless, as it perfectly fits essentially everywhere on typical bike frame.

Now the LEDs are going to be more and more powerful, and multi-LED lights widely available - so, long-time "standard" 4-cell lithium battery is not sufficient anymore, and bigger ones are required. That way, we are back to the bottle form-factor... :)
 
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