SIGMA MC 1812 MOTO - Manual (Page 22)

Important information
Important information, troubleshooting, and FAQ
www.sigmasport.com MC 1812 Page 22
MC 1812
How long will the battery in the MC 1812 last?
The battery life depends on how much the device is used and whether the light
manager is used.
In general, the MC 1812 is designed so that the CR 2450 battery used lasts at
least four years (based on one hour of usage each day).