Defibtech 5-Year Lifeline AED Replacement Battery Pack (DCF-200). This replacement battery pack (DBP-1400) has a standby life (installed in the unit) of 5 years (including daily, weekly, monthly and quarterly self-tests), 125 defibrillation shocks, or 8 hours of continuous operating time. Price per each.
Each battery pack comes with a new DAC-410 9-volt lithium battery as well.