Lady is mostly an alkaline , occasionally a zinc-carbon cell . According to ANSI , their diameter is 12 mm and their height 30.2 mm. The official name in Europe is UM-5 (zinc / carbon) or AM-5 / LR-1 (alkaline). The voltage is 1.5 V.
According to the original packaging from Panasonic, the following designations are used for this type of battery: MN9100, LADY, N, 4901, R1, E90, AM5, 910A, etc. the re-order no .: LR1L / 1BE
Mercury batteries of this size are no longer manufactured due to their lack of environmental compatibility.
in ( V )
|IEC||ANSI||Other designation||typical capacity
in ( mAh )
in ( Wh )
|Non-rechargeable lady cells ( primary cells )|
|Zinc-carbon||1.5||R1||910D||AT 5'O CLOCK||400||0.6|
|Rechargeable lady cells ( secondary cells )|
|Nickel metal hydride||1.2||HR1||350-500||0.44-0.62|
This battery size is used in very tight spaces, for example for door openers , bicycle lights , LED flashlights , pocket calculators , cordless microphones, laser pointers or electrically operated erotic items .
- David Linden, Thomas B. Reddy (Eds.): Handbook of Batteries . 3. Edition. McGraw-Hill, New York 2002, ISBN 0-07-135978-8 (English).