9 Apparatus and instruments for accumulating and storing electricity; batteries; battery packs; batteries for use in defibrillators; battery packs for external defibrillators; defibrillator batteries and chargers therefor; electronic devices in the nature of adaptors, connector cables, electric cables and USB cables used with defibrillators; electrodes; software; software application for medical apparatus; downloadable mobile software applications in relation with defibrillators; mobile phone software applications, downloadable; measuring, signaling, checking, safety, instructional and life saving equipment and apparatus.