yes, but not with the stock lamp. you'll need to use one of the following configurations. You should definitely read the guide to doing this... click on the link in my signature. It's everything I wish I could say when this question is asked.
Cell configuration: 1x17670
Bulb Options:
LF D26 HO-4: 7W, 50 min, 110 lumen
G&P D26 3.7V: 8W, 45 min, 125 lumen
WE D26 3.7V: 8W, 45 min, 125 lumen
LF D26 EO-4: 9W, 40 min, 135 lumen
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Cell configuration: 2xRCR123
Bulb Options:
LF D26 ES-9: 7W, 45 min, 115 lumen
LF D26 SR-9: 9W, 30 min, 140 lumen
SF P90: 9W, 30 min, 130 lumen
G&P G90: 9W, 30 min, 130 lumen
Pathfinder P90: 10W, 25 min, 160 lumen
WE D26 9V: 10W, 25 min, 165 lumen
Pila GL3 LA: 10W, 25 min, 165 lumen