12 VDC 4.2 Ah lithium manganese

Disposable, recyclable, long-life, primary cell

Minimum 300 shocks or 12 hours operating time

Battery is labeled with an install-by date at least 5 years from date of manufacture

Defines how long the battery will power the AED in standby operation within the standby temperature range (one battery insert test and no uses)

4 years minimum when battery is installed by the install-by date (5 years typical)