Output Voltage: 1,5 V. Oplaadbaar: Niet Oplaadbaar. Batterij Grootte: AAA. Battery Chemistry: Alkaline.
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Before the mids, in the days of vacuum tube valve radios used batteries designed specifically for vacuum tubes , there was a nine-volt grid bias battery or US "C" battery , which had taps for various voltages between 1. Early transistorized radios and other equipment needed a suitable voltage miniature battery.
Although the transistors would theoretically operate from lower voltages, in , the point contact transistors had to be operated very close to their VCB0 limit in order to get the required frequency response. However, a suitable miniature battery was already marketed for vacuum tube hearing aids.
As transistors rapidly improved, particularly when alloy transistors were introduced, radios were able operate from lower voltages and the battery manufacturers introduced suitable batteries as the demand arose.
The PP3 physically identical to 6LR61 or A appeared when portable transistor radios became common, and is still called a "transistor" battery by some manufacturers.
Connectors[ edit ] Nine-volt battery snap The battery has both terminals in a snap connector on one end. The smaller circular male terminal is positive, and the larger hexagonal or octagonal female terminal is the negative contact. The connectors on the battery are the same as on the load device; the smaller one connects to the larger one and vice versa. Battery polarization is normally obvious, since mechanical connection is usually only possible in one configuration. A problem with this style of connector is that it is very easy to connect two batteries together in a short circuit , which quickly discharges both batteries, generating heat and possibly a fire.
Both terminals are at one end and their centers are 0. Inside an alkaline or carbon-zinc 9-volt battery there are six cylindrical or flat cells connected in series. Some brands use welded tabs internally to attach to the cells, others press foil strips against the ends of the cells. Rechargeable nickel—cadmium NiCd and nickel—metal hydride NiMH batteries of nominal 9V rating have between six and eight 1.
Lithium ion versions typically use two cells 3. There are also lithium polymer and low self-discharge NiMH versions. Mercury batteries were formerly made in this size. They had higher capacity than the then-standard carbon-zinc types, a nominal voltage of 8. Once used in photographic and measuring instruments or long-life applications, they are no longer manufactured as mercury is highly toxic and accumulates in the ecosystem, posing a risk to humans and wildlife.
10 STUKS DURACELL PROCELL 6LR61, 9V. ALKALINE
Duracell Ultra 9V PP3 6LR61 Battery | 1 Pack