Concentrated + diffused light:
On level 1 (1000 lumens): 4 hours
On level 2 (500 lumens): 5 hours
On level 3 (100 lumens): 13.5 hours
Concentrated light:
On level 1 (500 lumens): 5 hours
On level 2 (250 lumens): 6.5 hours
On level 3 (30 lumens): 30 hours
Red light:
On level 1 (200 lumens): 5.5 hours
On level 2 (100 lumens): 8.5 hours
On level 3 (40 lumens): 15 hours
