9 Computer software for monitoring and regulating electric current for use in battery chargers; batteries, battery packs, battery chargers; battery charging systems comprised of an electronic measurement apparatus for use in the measurement of battery health and performance; battery chargers and computer software for storing data related to the health of the battery; renewable battery system to provide backup power; signalling and controlling equipment and instruments, namely, electric power controllers for use with converters; devices and instruments for the guidance of electric current, namely, electric conductors; devices and instruments for the distribution of electric current, namely, electric accumulators, electrical conductors; devices and instruments for the conversion of electric current, namely, electric power converters; devices and instruments for the storing of electric current, namely, electric storage batteries; devices and instruments for the control of electric current, namely, voltage stabilizers, voltage regulators; apparatus for recording, transmission and reproduction of sound and images; blank magnetic data carriers; data processing equipment, namely, data processors and computers