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Quick-release Mod for CREE T6 Bicycle Light + Waterproof Battery Bottle (cheap/free)

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Picture of Quick-release Mod for CREE T6 Bicycle Light + Waterproof Battery Bottle (cheap/free)
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I bought this kind of "upper beam headlights" for my bike:

http://www.amazon.com/SecurityIng%C2%AE-3800Lm-Headlight-Headlamp-Bicycle/dp/B009QX8B2Q/

Maybe not the safest electronics* but dirt-cheap and bright as @$%&.

Disregarding some safety issues* I was annoyed by the cumbersome way of attaching and detaching it to my bike.
Well, ok, the included mounting material some kind of works, but... Meh.

So I was thinking about some quick-release solution for days and days until I had some bright moment when I saw my mini spring clamps, pretty much identically constructed to these:

http://www.amazon.com/TEKTON-3901-Spring-Clamps-10-Piece/dp/B00BRL59UM/
or maybe more like these:
http://www.amazon.com/Heavy-Duty-Muslin-Clamps-inch/dp/B004AZ38Z0/

Against all my expectations this worked so fine as it had been made for that purpose...
So see the next steps.


*Not waterproof as described and the low battery warning does not work, instead it suddenly switches off, leaving you in the dark. The included charger / power supply gets pretty hot if the battery is fully drained. You´ve been warned!
But disregarding those 'minor' safety issues, it works fine ;)

Step 1: Materials

Picture of Materials
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Headlight mount:
CREE T6 Bicycle light kit or sth. equivalent
M4 screw
Mini spring clamp
Optional: piece of road bike inner tube
Optional: butyl sealant

Battery bottle:
PET soda bottle and twist-off cap
Insulating tape
Optional: piece of foamed plastic
Optional: butyl sealant

(No extra pictures of the materials needed for the battery bottle, I forgot in fever... See annotations in the pics and have mercy.)
 
making one thanks