9 DC input power supplies, namely, power supplies electrical, DC input power supplies, namely, uninterruptible electrical power supplies, inverters for power supply, lithium batteries, lithium-ion batteries, external battery packs for off-grid power, portable lithium ion battery systems comprised of lithium ion batteries, chargers for batteries, charge controllers, solar-powered battery chargers, and electric power convertors, renewable battery systems to provide backup power comprised of batteries, chargers for batteries, charge controllers, solar-powered battery chargers, inverters and solar panels and off-grid power and deep cycle battery storage systems comprised of batteries, charge controllers and inverters with integrated LED bulbs and LED light fixtures for solar installations, all the foregoing adapted for use in cold weather