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  2. Molten-salt battery - Wikipedia

    en.wikipedia.org/wiki/Molten-salt_battery

    Based on the findings from this trial, improved battery modules were developed and were made commercially available in 2000. The commercial NaS battery bank offers: Capacity : 25–250 kWh per bank; Efficiency of 87%; Lifetime of 2,500 cycles at 100% depth of discharge (DOD), or 4,500 cycles at 80% DOD

  3. Concentrator photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Concentrator_photovoltaics

    To be explicit, consider the power (P) generated by a solar cell under "one-sun" illumination at the earth's surface, which corresponds to a peak solar irradiance Q=1000 Watts/m 2. [21] The cell power can be expressed as a function of the open-circuit voltage (V oc ), the short-circuit current (I sc ), and the fill factor (FF) of the cell's ...

  4. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

  5. Home energy storage - Wikipedia

    en.wikipedia.org/wiki/Home_Energy_Storage

    Companies are also developing smaller flow battery technology for home use. As a local energy storage technologies for home use, they are smaller relatives of battery-based grid energy storage and support the concept of distributed generation. When paired with on-site generation, they can virtually eliminate blackouts in an off-the-grid lifestyle.

  6. Battery energy storage system - Wikipedia

    en.wikipedia.org/wiki/Battery_energy_storage_system

    Battery energy storage systems are generally designed to be able to output at their full rated power for several hours. Battery storage can be used for short-term peak power [2] and ancillary services, such as providing operating reserve and frequency control to minimize the chance of power outages. They are often installed at, or close to ...

  7. Are these prices a mistake? Someone forgot to turn off these ...

    www.aol.com/lifestyle/are-these-prices-a-mistake...

    Snag the carpet and upholstery cleaner than more than 10,000 Walmart reviewers already love, still on sale for the same price it was on Black Friday weekend.

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