Help with Trustfire TR-1200 LED Flashlight ( please )

[johntalley]

So I bought 2 of them
Penta Cree Q4 LED 5-Mode Memory White Light Drop-in LED Module (8.4V Max)

Trustfire TR-1200 LED Flashlight

they worked great at first .. But now some thing is lose ? ....

How to fix it ?

The light gos dim .....

 

[HotWire]

I don't have a TF TR-1200 but you'll find good information here: http://www.candlepowerforums.com/vb/showthread.php?227518-LED-Troubleshooting-guide-(budget-lights)