Your rechargeable configurations options are as follows:
Cell configuration: 1x17670
Bulb Options:
LF D26 HO-4: 7W, 106 - 69 lumen in 49 minutes
G&P D26 3.7V: 8W, 118 - 72 lumen in 40 minutes
WE D26 3.7V: 8W, 114 - 69 lumen in 42 minutes
LF D26 EO-4: 9W, 122 - 70 lumen in 37 minutes
G&P D26 3.7V "DX 10W xenon": 7W, 118 - 72 lumen in 40 minutes
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Cell configuration: 2xRCR123
Bulb Options:
LF D26 ES-9: 7W, 98 - 56 lumen in 38 minutes
LF D26 SR-9: 9W, 126 - 74 lumen in 25 minutes
LF D26 HO-9: 12W, 160 - 88 lumen in 20 minutes
SF P90: 9W, 118 - 70 lumen in 25 minutes
G&P G90: 9W, 118 - 70 lumen in 25 minutes
G&P D26 7.4V "DX 10W xenon": 9W, 118 - 70 lumen in 25 minutes
G&P D26 7.4V "DX 15W xenon": 10.5W, 136 - 80 lumen in 23 minutes
Pathfinder P90: 10W, 129 - 75 lumen in 23 minutes
WE D26 9V: 10W, 136 - 80 lumen in 23 minutes
Pila GL3 LA: 10W, 136 - 80 lumen in 23 minutes
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this is from the li-ion incan guide/compatibility chart. but please read the rest of the guide to learn how to use the cells safely and pick out good quality equipment. Li-Ion is wonderful technology but requires that the user be informed. click the link in my sig line to get started.