would this be possible

[Barrie]

would it be possible to run a terralux tle300m in a 2D mag powered by 3or4 3v cr 123s :thinking:
Barrie

 

[metlarules]

Yes.Although you won't have any runtime to speak of.

 

[StarHalo]

It would be much easier and more practical to use a 2D/6AA adapter (or a pair of stackable 1D/3AA adapters) so you could use regular AA batteries. This is the config I use in my TLE-300 Mag, usually with LSD NiMHs for rechargeability.

 

[Barrie]

the AA to D was what i was originally looking to do but i live in the UK
and can not find the holders any where over here the only ones i can find are on this forum and sorry to say the custom made ones are out of my price at the moment and there is postage to the UK
i have had a lot of bad luck buying from overseas with items gone missing in the post or with cheaper items defective and costing more on postage to return than they are worth so was looking to buy in the uk or use what i have which is 40 rechargeable cr123s

 

[StarHalo]

These are the battery adapters I use, shipping is free: http://kaidomain.com/ProductDetails.aspx?ProductId=2723

If your 123s are RCRs/Li-Ions, you'd only need two, LiPO might light at two but three would be a better bet. Either way, runtime would be very short, maybe ~15 minutes.

 

[Barrie]

StarHalo

:thumbsup:
thank you for your replies
i will look to order some of these holders as for the cr123 if i remove the spring from the tail cap i can get 4 cr123s in and put in a small wad of aluminum foil into take up the space that is left i would really like a TK40 but it is to expensive for me just now so i am looking to get the most lumens from a mix of what i have and what i can afford for some reason i can get AAA to C holders but not AA TO D over here anyway thanks
Barrie

 

[StarHalo]

The TLE-300 is somewhat iffy once you get over ~10 volts, it's rated for 12 but some users have reported that it shuts down somewhere just over 10. I'd recommend going with three cells if they are 3 volts/LiPO. If they are RCR/Li-Ion, don't use more than two.

 

[Swedpat]

These are the battery adapters I use, shipping is free: http://kaidomain.com/ProductDetails.aspx?ProductId=2723

If your 123s are RCRs/Li-Ions, you'd only need two, LiPO might light at two but three would be a better bet. Either way, runtime would be very short, maybe ~15 minutes.

Thanks StarHalo for the link! This adapter I have sought for.

But I have a question: at the site is following information:

"[FONT=&quot]This 3AA->1D adapter is only suitable for low current consumption(0~1000mA) applications. Using it in a high current application may experience high internal resistance![/FONT]"

What does this mean in practice in this case? How to count out the maximal current application?

Regards, Patric

 

[StarHalo]

What does this mean in practice in this case?

It means you're going to be losing some efficiency; the battery adapters don't pass along the energy of the batteries optimally, so there's a bit of current loss. With the TLE-300 that translates to a handful of lumens, which at over 500 lumens output you wouldn't be able to see the difference between anyway. And the adapters are after all a buck fifty..

But resistance is the enemy of the hotwire modder, and if you'd like to try optimizing these battery trays, all it requires is a dab of solder where the battery springs meet the adapter endplates. I haven't done it myself, but those who have say it notably reduces resistance. You can also do the low-resistance-spring trick with your Mag's negative/tailcap spring; cut a small piece of copper wire, wrap one end around the very top/tip of the spring, and wrap the other end around the bottom/base. This way current flows directly to the tailcap and "skips" the spring.

 

[Swedpat]

Thanks for a detailed answer!

Regards, Patric

 

[houtex]

I'm using 4 cr123's in a 2d with the TLE-300. I scraped the inside of the tailcap and cut the spring for everything to fit. it's a tight fit but works.:twothumbs. I had some PVC laying around and I used that along with some masking tape to make a battery adapter.

 

[Barrie]

Hi houtex
i have a length of silicon hose the type used to connect the water pipes on bus and truck cooling systems and the cr123s fit nice and snug
so i was looking to try the cr123s as i can get the terralux here in the UK on 24hour delivery and could be out with my mag this weekend
the battery holders for the AAs i will have to order and not sure if the dealer dose over seas delivery cant get much info in the link but will make some enquires at the weekend when i have more time can you tell me what sort of run time your getting with the cr123s are they 3v or 3.6v the ones i have are uniross 3v 600mAh rechargeable and are putting out 3.7v-3.8v fresh out of the charger
Barrie