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  2. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    A large data-center-scale UPS being installed by electricians. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.

  3. Backup battery - Wikipedia

    en.wikipedia.org/wiki/Backup_battery

    A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers. Small backup batteries may be primary cells ...

  4. Emergency power system - Wikipedia

    en.wikipedia.org/wiki/Emergency_power_system

    Emergency power systems are installed to protect life and property from the consequences of loss of primary electric power supply. It is a type of continual power system. They find uses in a wide variety of settings from homes to hospitals, scientific laboratories, data centers, [1] telecommunication [2] equipment and ships. Emergency power ...

  5. Continual power system - Wikipedia

    en.wikipedia.org/wiki/Continual_power_system

    A continual power system is a system for reliably supplying uninterrupted power. Examples of a continual power system include uninterruptible power supplies and emergency power systems . The need for continual power systems has risen because more and more essential services depend on consistent power, such as lighting, computing, and ...

  6. This surge protector's also a backup power supply — and it ...

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  7. Battery room - Wikipedia

    en.wikipedia.org/wiki/Battery_room

    The rooms are found in telecommunication central offices, and provide standby power for computing equipment in datacenters. Batteries provide direct current (DC) electricity, which may be used directly by some types of equipment, or which may be converted to alternating current (AC) by uninterruptible power supply (UPS) equipment. The batteries ...

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