Surefire® 123A Batteries Optimized for use in SureFire flashlights, SureFire high-performance lithium batteries pack a lot of power into a very small package. And unlike alkaline batteries, SureFire provide a 10-year shelf life, which means they will be ready when you need them, every time. Trust in the power and durability of SureFire lithium batteries
| Type | Button Top |
| Capacity | 1550 mAh |
| Voltage | 3 volts |
| Max Discharge | Not Specified |