Mono (battery)

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Mono battery

Mono, mono cell and D are common names for a standardized size of batteries and accumulators . With a diameter of 32.3 to 34.2 mm and a height of 59.5 to 61.5 mm, it is the largest of the common cylindrical round cells. The second value is the permissible maximum according to the IEC 60086-1 standard . The volume is about 49 to 56 cm³.

Monocells are manufactured with different electrochemical systems, which can differ significantly in nominal voltage , electrical capacity and load capacity. Depending on the system, other, often manufacturer-specific terms are used for non-rechargeable and rechargeable mono cells.

Monocells were mainly used in larger, portable electrical devices with relatively high energy requirements. Examples are toys , flashlights , portable cassette recorders , transistor radios and portable device combinations (especially radio recorders with a relatively high volume, so-called “ghetto blasters”). Due to the increased performance of alkaline-manganese batteries and the lower energy requirements of newer devices, smaller and lighter baby cells are often used today.

Type overview

Electrochemical
System 		Nominal voltage
in ( V ) 		IEC ANSI Other designation typ. capacity
in ( Ah ) 		typ. energy
in ( Wh )
Non-rechargeable mono cells ( primary cells )
Alkali manganese 1.5 LR20 13A AM-1, AM1, MN1300, KD, 4020, 4120, 4920, E95, X95 6.0-16.0 06.0-16.0
Zinc-carbon 1.5 0R20 13C, 13CD, 13D, 13F UM-1, UM1, 2020, 3020, 1050, 1250, GP13S, 373
Rechargeable mono cells ( secondary cells )
Nickel metal hydride 1.2 HR20 1.2H4 5420 12.0 14.4
Nickel-cadmium 1.2 KR20 1.2K4 RX20, P20P / P20, 5020 06.0 07.2

See also

literature

  • David Linden, Thomas B. Reddy (Eds.): Handbook of Batteries . 3. Edition. McGraw-Hill, New York 2002, ISBN 0-07-135978-8 (English).

Web links

Commons : Mono Batteries  - Collection of pictures, videos and audio files

Individual evidence

  1. ↑ Mono cells (D). Filter: Technology = Alkali Manganese. In: conrad.de. Conrad Electronic SE, accessed on November 24, 2019 .
  2. ↑ Mono LR20 / D batteries in the test. Discharge test with 1000 mA to 0.9 volts. In: akkuline.de. Akkuline OHG, accessed on June 18, 2019 .