7W COB with 6 degree lens. 540 Lumens. Runs off 4x 18650 2.4AH cells for approx 5 hours runtime (700ma buck).
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Should work nicely with a spotty helmet light 🙂
Great light. I haven't seen those chips before.
What driver/battery pack are you using?
Looks like a nice fit for a Hammond case.
7w COB/lens/heat sink from [url= http://www.led-tech.de/en/Chip-On-Board-Technic-c_134_0.html ]LED-TECH.DE[/url] along with a [url= http://www.led-tech.de/en/LED-Controlling/Constant-Current-Power-Supply/BUCK-Constant-Current-Power-Supply--700mA,-30V--LT-1552_118_119.html ]700ma buck[/url] from the same place.
Battery pack is [url= http://mtbbatteries.co.uk/7.html ]4 18650s[/url] with a [url= http://www.luminousdiy.com/Light%20Kits%20and%20Parts.htm ]4 cell holder[/url] but anything 12v+ will do.
