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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 (Matchstick for reference). 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.

  3. Battery nomenclature - Wikipedia

    en.wikipedia.org/wiki/Battery_nomenclature

    The older "No. 1" through "No. 5" batteries were discontinued, each being 1 to 5 inches high respectively, although the similarly sized Burgess No. 1 (C cell) and No. 2 (D cell) were still produced under that name through the 1950s. Eventually, the No. 6 was phased out by the 1970s and slowly replaced with the 6-volt four-cell battery.

  4. 3.7 cm SockelFlak L/14.5 - Wikipedia

    en.wikipedia.org/wiki/3.7_cm_SockelFlak_L/14.5

    The SockelFlak started life as defensive armament for Zeppelin airships against fighter attack. However, once defenders discovered that airships filled with hydrogen were vulnerable to machine guns firing tracer ammunition Zeppelin losses mounted and the Germans switched to less vulnerable bomber aircraft.

  5. Electronvolt - Wikipedia

    en.wikipedia.org/wiki/Electronvolt

    An electronvolt is the amount of energy gained or lost by a single electron when it moves through an electric potential difference of one volt.Hence, it has a value of one volt, which is 1 J/C, multiplied by the elementary charge e = 1.602 176 634 × 10 −19 C. [2]

  6. AA battery - Wikipedia

    en.wikipedia.org/wiki/AA_battery

    Panasonic Eneloop 1.2 volt NiMH rechargeable cells in AA and AAA. Rechargeable batteries in the AA size are available in multiple chemistries: nickel–cadmium (NiCd) with a capacity of roughly 600–1,000 mAh, [12] nickel–metal hydride (NiMH) in various capacities of 600–2,750 mAh [13] [14] and lithium-ion. NiCd and NiMH provide 1.2 V ...

  7. List of Olympus products - Wikipedia

    en.wikipedia.org/wiki/List_of_Olympus_products

    C-620L 1998 C-800L 0.81 First of the CAMEDIA line. 1996 Olympus global: C-820L 0.81 1997 C-830L 1.3 1999 C-840L 1.3 1999 C-860L 1.3 also known as D-360L 2000 D 400 Zoom or C-900 Zoom 1.3 First digital camera in the compact series to feature an optical 3× zoom lens 1998 Olympus global: C-920 Zoom 1.3

  8. USB - Wikipedia

    en.wikipedia.org/wiki/USB

    USB-C allows for dual-lane operation of USB 3.x with larger unit load (250 mA; up to 7.5 W). [100] USB-C also allows for Type-C Current as a replacement for USB BC, signaling power availability in a simple way, without needing any data connection. [101]

  9. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    All have 1.25 volt DC filaments and directly heated cathodes. Some specify which end of the filament is to be powered by the positive side of the filament power supply (usually a battery). All have glass bodies that measure from 0.285 to 0.400 inches (7.2 to 10.2 millimetres) wide, and from 1.25 to 2.00 inches (32 to 51 millimetres) in overall ...