The Mediana A10 HeartOn AED is easy to use with or without training. The Adult or Paediatric Pads are recognised quickly by the unit once plugged in. LED indicator lights flash next to visual icons to clarify the necessary actions. This is accompanied with the corresponding voice prompts to expel any confusion and save valuable time in a Cardiac Emergency. The battery is disposable, LiMnO2 Non-rechargeable, with 2 years shelf life, and 5 years standby life.