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2. This Champion Portable Generator Is Almost 50% Off on ... - AOL

   www.aol.com/lifestyle/champion-portable...

   If you’re worried about being left without power, pick up this Champion 4750-Watt Dual-Fuel Portable Generator, which is 47% off at Amazon right now. Shop Now 4750-Watt Dual-Fuel Portable Generator

3. Diesel rotary uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Diesel_rotary...

   Typically a DRUPS will have enough fuel to power the load for days or even weeks in the event of failure of the mains electricity supply. The main advantages of DRUPS equipment compared to battery-powered UPS combined with a diesel-generator are the higher overall system energy efficiency, smaller footprint, use of fewer components, longer ...

4. Diesel generator - Wikipedia

   en.wikipedia.org/wiki/Diesel_generator

   Fuel consumption is the major portion of diesel plant owning and operating costs for power applications, whereas capital cost is the primary concern for backup generators. Specific consumption varies, but a modern diesel plant will, at its near-optimal 65-70% loading, generate at least 3 kWh per liter (ca. 30% fuel efficiency ratio). [6] [7]

5. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   A UPS differs from a traditional auxiliary/emergency power system or standby generator in that it will provide near-instantaneous protection from input power interruptions by switching to energy stored in battery packs, supercapacitors or flywheels. The on-battery run-times of most UPSs are relatively short (only a few minutes) but sufficient ...

6. Engine–generator - Wikipedia

   en.wikipedia.org/wiki/Engine–generator

   An engine–generator is the combination of an electrical generator and an engine (prime mover) mounted together to form a single piece of equipment. This combination is also called an engine–generator set or a gen-set. In many contexts, the engine is taken for granted and the combined unit is simply called a generator. An engine–generator ...

7. 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 ...