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I just love most of that host.
Do you have the original bezel ring?
This light uses the 10w ballast but since the ballast is rated at 500 lumens @ 10.8v the ballast is overdriven to probably just around 800 lumens using 3x18650 cells. Also I believe Lux Luther tested both the 10w and 14w Solarc systems and found the 10w version had better throw.