The LIFEPAK 1000 defibrillator is the most rugged defibrillator ever designed by Physio-Control, with an IP55 rating. ADAPTIV biphasic technology provides a range of energy up to 360 joules, and an upgradeable platform. The LIFEPAK 1000 is equipped with cprMAX technology, enabling care providers to change protocols as standards of care evolve. A large, intuitive screen displays graphics and ECG readings that are clear and easy to read from a distance. A visible and accessible battery gauge gives rescuers the ability to assess battery readiness. The non-rechargeable battery can deliver more than 425 shocks.