• Battery type: 12 Volt DC, 4.2 Ah, lithium manganese dioxide. Disposable, long-life primary cell.
• Capacity: When new, a minimum of 300 shocks or 12 hours of operating time at 77 degrees F (25 degrees C).
• Shelf life (prior to installation): 5 years from date of manufacture when stored under standby environmental conditions in original packaging.
• Standby life (after installation): 5 years. >4 years when stored under standby environmental conditions (battery installed, FR2+ unused).