Off-grid power battery storage systems comprised of batteries and charge controllers for solar installations; solar panels for the production of electricity; solar batteries; energy storage systems comprised of batteries, battery charge controllers, battery charge voltage regulators and current regulators, solar charge controllers, charge voltage regulators, charge current regulators, and photovoltaic storage cells; energy storage systems comprised of solar photovoltaic panels, batteries and controllers for low-voltage applications; Wirelessly connected electric battery apparatus with embedded remotely updateable software and firmware for storage and discharge of stored electricity for home residential use; wirelessly connected electric battery apparatus with embedded remotely updateable software and firmware for storing, and discharging stored electricity supplied by or to an electric power grid or other source of electric power generation for stabilizing and meeting electricity demands and usage goals for home residential use; computer software for monitoring, optimizing and regulating the storage, and discharge of stored energy to and from such wirelessly connected electric battery apparatus for home residential use; the aforementioned goods not including pre-fabricated, integrally wired, modular electrical power distribution and control system, comprised of main distribution power panelboards, lighting panelboards, smart breakers, distribution transformers, lighting and HVAC control (energy management or facility management), lighting contactors, disconnect switches, emergency and uninterrupted power supplies, automatic transformer switches, alarm control and telephone systems used in all retail, institution (education/K-12, colleges and universities, and hospitals), and commercial construction markets, and also not including electrical power supply and control systems comprised of switches, electrical transformers, panel boards, lighting controls, emergency and uninterrupted power source controllers, and automatic transfer switches used for refrigerated merchandise display cases and refrigeration units for supermarkets, and also not including metal building wall framing and metal curtainwalls adapted to mount photovoltaic panels