From My notepad
Measurements I've made
LumaPower DX1 K2 TFFC
2x18650 Tenergy Protected (7.9V)
High - 360mA - Estimated runtime 5.5 hours
LumaPower DX1 LuxV
2x18650 Tenergy Protected (7.9V)
High - 880mA - Estimated runtime 2 hours
Jet III PRO IBS
1x18650 Unprotected (3.4V)
Lo - 10mA
Med - 775mA
High - 1.9A
1x18650 Unprotected (4.16V)
Lo - 13.8mA
Med - 650mA
High - 1.5A
Surefire e2l
2xCR123
Lo - 35mA -
High - 90mA
1x17670
Same as above
LumaPower MRV P7 w/ stock driver
1x18650 Unprotected (3.8V)
Med - 360mA - Estimated runtime 5 hours
High - 750mA - Estimated runtime 2.4 hours
LumaPower MRV P7 w/ 7135 2.8A driver
1x18650 (4V)
High - 1.5A - Estimated runtime 1 hour
1x18650 (4.18V)
High - 1.9A
LumaPower M1-XRE
1x18650 (4.18V)
High - 650mA
LumaPower M1-T
1x18650 (4.18V)
High - 500mA
Measurements made by others
Surefire e1b high
Surefire e1b low