Advice needed: DD constantly tripping PCB

SO I made one Trustfire C8 XML-T6 light direct drive.

Im using Trustfire flames, and it thines a little, and quickly stops, ofter 1 second.

I put salvaged panassonic laptop battery inside (unprotected - and its shorter too), adn flashlight works normally.

I made lots of lights DD, but this is the first with such problem.

Any advices?

Maybe my last batch of "flames" are lower quality, I've got them from buyincoins.

Need more information.

Single mode?

Freshly charged battery or depleted?

Are you using a driver spring?

What size power wires from driver to emitter?

How many amps is it pulling before it trips?

You can always control maximum amps by using smaller wires from the driver to the emitter that's how I do it or use a smaller driver spring.

D.I.C.K.

Suspect the salvaged batteries have no protection circuit but your flames do. Probably tripped and needs reset. As to how, maybe someone more versed in these things can answer

Don’t use protected batteries or remove the.protection from the flame. Try a different protected battery.

Possibly fake flames?

Check this thread: http://club.dealextreme.com/forums/Forums.dx/threadid.1042763 to find out how to distinguish fakes & real ones.

You'll pretty sure get fakes there, too. Better get the TF3000 from MF or switch to better cells right away, like XTAR or HiMax.

If you only use them in single-cell lights, you can get pair of Sanyo 2600mAh unprotected for $11 (from KD). If you have proper charger and single-cell lights, you'll be safe even with unprotected cells.

Anything over 0V will prevent reverse-charging so it's okay (although not very healthy for cell's lifetime)

..then again, it could not trip at all, even if some people report it trips at 2.5V. Those cells aren't extensively QC'ed, believe me ;)

So better stay off of multi-cell setups, or at least get pair of Xtar 2600's for $15 or so.

With a good flame 3.5 amps is no problem unless its a fake, you could invest in some redilast ive tested 2600 mAh to 5.2 amps with out tripping, or unprotected NRC18650,s to 6.2 amps but they get warm.