New battery or replace a L&M Arc HID light?

Lurker1999

Newly Enlightened
Joined
Jun 14, 2010
Messages
6
I have an older Light & Motion Arc HID headlight that I use mostly for longer distance rides to work in the winter months. But it's also great for days when I head out for a ride after work too late to get back before sunset. Right now I'm powering the light with a Li-Ion cub battery (3 cell) but the light actually cut out on my last ride. Fortunately I was already off the pitch black path and back onto roads so I could just use my backup helmet light at that time.

I've been looking for the most cost-effective solution for what to do now. The light had a high and low setting of 675 lumen and 550 lumen published and it's bright enough for me not to outride it on a pitch dark path. L&M sells replacement 3 and 6 cell Li-ion batteries for $150 and $220 respectively on their website and I wouldn't need to buy a new charger either.

I found some Li-ion packs at batteryspace.com that have the correct voltage but I would need to rig a proper connector to the light. I have an old NiMH L&M battery that is on its last legs that I could theoretically "rescue" by replacing the cells or cannibalizing the connector for a Li-Ion powerpack but I do appreciate the weather-resistant form factor of the factory L&M packs.

There are some supposedly new batteries on Ebay but at not that great of a discount. There are some of the 9 cell "ultra" li-ion packs but they're fairly scarce.

Would people suggest I buy an additional 3/6/9 cell L&M pack? Try to rig up a home-made pack of some type? Get a replacement light, and if so what kind?
 
I sell holders to adapt 18650 cells to a particular application, the best bang for the buck cell out there. www.Luminousdiy.com You can get cells and chargers off dealextreme.com, and be under the battery pack price tag, as well as have the ability to replace the cells when they die off 1-2 years from now (depending on use and how you treat them). ~Chris
 
Thanks for the input, that may be a possibility. Right now I'm leaning towards keeping the Arc HID headunit and just getting another battery.
 
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