Petzl Duo 14 Specification Table

Light duration Autonomie Distance
Alkaline battery ACCU (rechargeable)
Halogen
4 Hours t 0 = 100 meters 5 Hours 30 t 0 = 100 meters
t 30 min = 70 meters t 35 min = 75 meters
14 LED's regulated
Optimum
26 meters 10 hours + 138 hours* 20 meters 10 hours + 33 hours*
Maximum
34 meters 3 hours 30 + 180 hours* 26 meters 5 hours + 38 hours*
Economic
15 meters 63 hours + 47 hours* 10 meters 45 hours + 35 hours*

*reserve power mode