What’s the battery life of my Vont Pyro Bike Light when used in different light modes?

For the headlight: High Mode - 3.5 hours, Low Mode - 10 hours, Slow Strobe - 10.5 hours, and Fast Strobe - 10 hours.

For the taillight: High Mode - 2.5 hours, Low Mode - 9 hours, Slow Strobe - 9.5 hours, and Fast Strobe - 9 hours.