Defibtech 7 Year Replacement Battery Pack (Lifeline AED/Auto)

While installed in the unit, this replacement AED battery has enough power for 16 hours of continual usage (300 shocks) and will last for 7 years, with daily, weekly, monthly and quarterly self-tests to give you the peace of mind of knowing that you will never be caught without power.

Each battery pack comes with a new DAC-410 9-volt lithium battery.