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  2. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    3LR12 (4.5-volt), D, C, AA, AAA, AAAA (1.5-volt), A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries. This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use. The complete nomenclature for a battery specifies ...

  3. Comparison of commercial battery types - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_commercial...

    Under certain conditions, some battery chemistries are at risk of thermal runaway, leading to cell rupture or combustion.As thermal runaway is determined not only by cell chemistry but also cell size, cell design and charge, only the worst-case values are reflected here.

  4. iPhone 8 - Wikipedia

    en.wikipedia.org/wiki/IPhone_8

    The iPhone 8 and iPhone 8 Plus are smartphones designed, developed, and marketed by Apple Inc. They are the eleventh generation of the iPhone. The iPhone 8 was released on September 22, 2017, succeeding the iPhone 7 and iPhone 7 Plus respectively. [ 9]

  5. Batterygate - Wikipedia

    en.wikipedia.org/wiki/Batterygate

    Batterygate[ 1][ 2][ 3] is a term used to describe deliberate processor slowdowns on Apple 's iPhones, in order to prevent handsets with degraded batteries shutting down when under high load. Critics argued the slowdown amounted to planned obsolescence, however this may stem from the common misconception that all older iPhones were slowed down.

  6. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    A tower type UPS with one IEC 60320 C14 input and three C13 outlets. 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.

  7. Costco is cracking down on membership moochers - AOL

    www.aol.com/costco-cracking-down-membership...

    Costco’s crackdown on non-members comes after the company announced last month that it was raising its membership fees by $5 to $65 in the US and Canada – the first time since 2017. The change ...

  8. 18650 battery - Wikipedia

    en.wikipedia.org/wiki/18650_battery

    Panasonic 18650 batteries inside a laptop. Each cell has a capacity of 2450 mAh. An 18650 battery[ 1] or 1865 cell[ 2] is a cylindrical lithium-ion battery common in electronic devices. The batteries measure 18 mm (0.71 in) in diameter by 65 mm (2.56 in) in length, giving them the name 18650. [ 3] The battery comes in many nominal voltages ...

  9. Betavoltaic device - Wikipedia

    en.wikipedia.org/wiki/Betavoltaic_device

    Betavoltaic device. A betavoltaic device ( betavoltaic cell or betavoltaic battery) is a type of nuclear battery which generates electric current from beta particles ( electrons) emitted from a radioactive source, using semiconductor junctions. A common source used is the hydrogen isotope tritium. Unlike most nuclear power sources which use ...