Rechargeable 16340 blow out my Xenon lamp??

[Max Woodman]

Hey...

I just received my new Ultrafire charger WF-138 and a couple of rechargeable Ultrafire 16340, 880mAh Li-on. Protected.

When i put in two 16340 in to my Pelican M6 Xenon, the battery only measure 3,89v, but the xenon lamp "blow out" directely? (POOF BLACK??)

When i change the bulb to a M6 LED light..then it will work perfect?
I don't know if can use this batterys in my Brand New LumaPower Mini Digital SE? I will NOT BLOW OUT the expensive Cree Q5. Is ther any risk??

EDIT: When i measure the battery after discharge: 0.031 volt. ??? What is this for a simple protection? In the spec it would discharge at 2,74V ?

 

[labrat]

If you are using the standard, included lamp in your Pelican M6, yes, they do POOF!

http://www.opticsplanet.net/pelican-m6-3320-flashlight.html

The lamp is made for primary, non-rechargeable cr123 cells/batteries, which operate on a voltage of around 3.0 Volts and lover, dependant of the load.
So 2 of these is 6 Volts, and the bulb is made for that voltage.
The RCR123 cells, rechargeable Lithium Ion cells, have an operating voltage of about 3.6-3.8 Volts, and lover, dependant of the applied load, and this give you a total of 7.2 - 7.6 Volts!
So yes, the lamp blows!

The maximum effective charge applied to these rechargeable cells is at 4.2 Volts reading, which will give you maximum runtime between charges.
If you leave the cells in the charger, and use a DMM to monitor the cells,you can leave them in the charger until you get a reading of 4.2 Volts before you take them out.

To be sure you do not blow your LED drop-ins or bulbs, you must check that they can take an applied voltage of 7.4 Volts minimum, something I have not found approved anyplace with the Pelican M6 LED.
But this drop-in from DX is recommended for the M6 and rechargeable Li-Ions:

http://www.dealextreme.com/details.dx/sku.905

I recommend DX, they give you great customer support, and very quick response when you call them!

Don't know much about your LumaPower Mini Digital SE, so do a check around here in CandlePowerForums before you try these cells in that light!

 

[labrat]

Deleted. Double post.