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  2. Nickel–metal hydride battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–metal_hydride_battery

    A nickel–metal hydride battery (NiMH or Ni–MH) is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium.

  3. 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.

  4. Comparison of commercial battery types - Wikipedia

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

    Ni-MH Metal hydride: KOH Yes 1990 [1] 0.9–1.05 [27] ... some battery chemistries are at risk of thermal runaway, leading to cell rupture or combustion. As thermal ...

  5. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

  6. ParkZone - Wikipedia

    en.wikipedia.org/wiki/ParkZone

    Batteries PKZ1021 8.4V 600mAh Ni-MH. HBZ1012 7.2V 900mAh Ni-MH HBZ1013 8.4V 900mAh Ni-MH PKZ1013 9.6V 900mAh Ni-MH. PKZ1021 8.4V 600mAh Ni-MH PKZ1025 7.2V 600mAh Ni-MH. PKZ1021 8.4V 600mAh Ni-MH. PKZ1027 10.8V 1000mAh Ni-MH. Rubber bands PKZ1110 PKZ1310 PKZ1410 Landing gear PKZ1106 PKZ1306 PKZ1406 Other parts PKZ1112 battery door with latch ...

  7. Cutoff voltage - Wikipedia

    en.wikipedia.org/wiki/Cutoff_voltage

    The cut-off voltage is different from one battery to the other and it is highly dependent on the type of battery and the kind of service in which the battery is used. When testing the capacity of a NiMH or NiCd battery a cut-off voltage of 1.0 V per cell is normally used, whereas 0.9 V is normally used as the cut-off voltage of an alkaline cell ...

  8. Nickel–cadmium battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–cadmium_battery

    Compared to NiMH battery where usable maximum continuous current drain is not more than 5C. Nickel–metal hydride batteries are the newest, and most similar, competitor to Ni–Cd batteries. Compared to Ni–Cd batteries, NiMH batteries have a higher capacity and are less toxic, and are now more cost effective.

  9. Float voltage - Wikipedia

    en.wikipedia.org/wiki/Float_voltage

    Float voltage is the voltage at which a battery is maintained after being fully charged to maintain that capacity by compensating for self-discharge of the battery. [1] The voltage could be held constant for the entire duration of the cell's operation (such as in an automotive battery) or could be held for a particular phase of charging by the charger. [2]

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