N battery

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Alkaline battery marked with N sign.
A side by side comparison between N and A23 batteries. It can clearly be seen how close in size they are to each other.

An N battery (or N cell) is a standard size of dry cell battery. An N battery is cylindrical with electrical contacts on each end; the positive end has a nub or bump on the top. The battery has a length of 30.2 mm and a diameter of 12.0 mm, and is approximately three-fifths the length of a AA battery.

A zinc-carbon battery in this type is designated as R1 by IEC standards; likewise, an alkaline battery in this type is designated as LR1. ANSI designates this battery as 910A and 910D for alkaline and zinc-carbon chemistries, respectively. Energizer calls this type E90.

Mercury batteries of the same dimensions are no longer manufactured because of their toxicity. Former mercury cells such as the Mallory RM401, Duracell RM-401, IEC-MR1, etc. were supplanted by the alkaline Kodak KN.[1]

Rechargeable N-size batteries are also available, in nickel-cadmium (KR1) and nickel-metal hydride (HR1) chemistries. However, these are far less common than other rechargeable sizes. Rechargeable N-Series batteries may be charged in a AA charger using a makeshift adapter (such as a small metal slug or a spring).[2] Some universal battery chargers are also able to charge N size batteries[citation needed].

Common uses for this size of battery include some small flashlights, remote control door chimes, glucose meters, small desk clocks, wireless microphones, laser pointers, and small vibrators.

An N-cell battery has a similar size to the A23 battery, which has a 12V output.

Also Known As: 4001, 810, 910A, A910, AM-5, AM5, E90, E90BP-2, KN, KN-1, KN-2, LADY, LR-N, LR01, LR1, MN9100, N, PC9100, UM-5, UM5, VLR1

  Zinc–carbon Alkaline NiCd NiMH
IEC name R1 LR1 KR1 HR1
ANSI/NEDA name 910D 910A    
Typical capacity 400 mAh 800–1000 mAh   350–500 mAh
Nominal voltage 1.50 V 1.50 V 1.25 V 1.25 V

See also

References

  1. ↑ "Additional N Size Battery Sizes - BatteriesInAFlash". Retrieved February 8, 2011. 
  2. ↑ "Rechargeable N Size Battery - Robot Room". Retrieved October 10, 2010. 

External links

Portable cells
Portable batteries
Button cells
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