Originally Posted by JohnJ80

Looking at the Cree XML datasheet, I think you'd be very lucky to be getting 1800 lumens out of the LEDs at full bright not including losses in the lens and reflector (substantially less) or less than ideal performance by the LEDs due to electronics (if there even are any).

Also, there have been warnings about the battery packs that Solarstorm has used on some of their lights. So you might want to take precautions when charging the battery.

This from your description above is telling:


That tells me that almost certainly there is no thermal control of the light. Run this thing too hot and it's going to burn out - or worse - run it on bright for any length of time and it's going to burn out. You can run it too hot running by running it on full bright or if you were using it in other modes and it was hot out and you were not moving (airflow). This thing is probably just direct connected to the battery. All of these things are bad (awful) for reliability.

Pretty classic Chinese light spec game playing and reliability issues. As always, you get what you pay for. In this case, they have taken out any thermal management, use cut rate (maybe factory reject) Li-ion cells in non-protected packs and charge them with a cut rate charger that may not have any protection whatsoever. All of those things would take cost out of the device and reduce the long and short term reliability and safety.

J.