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  2. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    GB Battery: C Battery Eveready 761: 1.5 to 9 V: Threa­ded posts or banana sockets H: 76.2 L: 101.6 W: 31.75 Originally used in vintage vacuum tube equipment for grid bias. Still popular for school science class use as a variable voltage supply as the current version has several taps at 1.5 volt intervals. 791: Eveready 791 Eveready 791-A: 2R14 ...

  3. Battery balancing - Wikipedia

    en.wikipedia.org/wiki/Battery_balancing

    Battery balancing and battery redistribution refer to techniques that improve the available capacity of a battery pack with multiple cells (usually in series) and increase each cell's longevity. [1] A battery balancer or battery regulator is an electrical device in a battery pack that performs battery balancing. [ 2 ]

  4. HP 20b - Wikipedia

    en.wikipedia.org/wiki/HP_20b

    The HP 20b contains functions similar to the HP 10bII, with financial functions including: TVM, IRR, NPV, NUS ("Net Uniform Series" [7]), amortization, depreciation, bonds, yield and accrued interest, interest conversion, list-based cashflow analysis, cashflows, break-even analysis.

  5. Horsepower - Wikipedia

    en.wikipedia.org/wiki/Horsepower

    The company's Lexus ES 330 and Camry SE V6 (3.3 L V6) were previously rated at 225 hp (168 kW) but the ES 330 dropped to 218 hp (163 kW) while the Camry declined to 210 hp (160 kW). The first engine certified under the new program was the 7.0 L LS7 used in the 2006 Chevrolet Corvette Z06.

  6. Voltage - Wikipedia

    en.wikipedia.org/wiki/Voltage

    The SI unit of work per unit charge is the joule per coulomb, where 1 volt = 1 joule (of work) per 1 coulomb of charge. [citation needed] The old SI definition for volt used power and current; starting in 1990, the quantum Hall and Josephson effect were used, [10] and in 2019 physical constants were given defined values for the definition of all SI units.

  7. HP-20S - Wikipedia

    en.wikipedia.org/wiki/HP-20S

    The retail price set a new bar for HP, who credited their delivery of a low-price product to tight integration between their research, development and manufacturing departments. [1] The 20S has the same physical form factor and 37-key keypad as other models in the Pioneer series. The CPU is an HP Saturn (Bert) chip clocked at 640 kHz. With only ...

  8. Think City - Wikipedia

    en.wikipedia.org/wiki/Think_City

    The car has a 24 kWh traction battery and inbuilt charger, and will re-charge from a standard 230 volt, 10 or 16 amp supply in 9.5–10 hours. [26] Motor: 3-phase electric induction motor. It is capable of delivering 34 kW (46 hp) and 66 lb⋅ft (89 N⋅m) of torque. Gear box: Fixed reduction gear, permanently connected to drive wheels.

  9. Dosimeter - Wikipedia

    en.wikipedia.org/wiki/Dosimeter

    [citation needed] LED units usually have a button to turn the display on and off for longer battery life, and an infrared emitter for count verification and calibration. The voltage is derived from a separate pinned or wire-ended module that often uses a unijunction transistor driving a small step-up coil and multiplier stage.