Button Batteries

Button batteries, also referred to as coin cells, coin batteries or button cells, are circular, non-rechargeable batteries. They are used to power electronic devices, such as clocks, remote control toys and wristwatches.

Sizes:

The most common naming standard is from the International Electrotechnical Commission or IEC. This typically consists of 2 letters, followed by 3 or 4 numbers.

The first letter defines the chemistry:

  • L – Alkaline manganese dioxide
  • S – Silver oxide
  • P – Zinc-air
  • C – Lithium manganese dioxide
  • B – Lithium carbon monofluoride
  • G – Lithium copper oxide

The second letter defines the shape:

  • R – Round
  • F – Flat
  • S – Square
  • P – All others that aren’t defined as round, flat or square.

The numbers that follow the letters reference the diameter and the height. If the number ends with 1025, the battery has a 10 mm diameter and a 2.5 mm height.

Applications:

Due to their size, button batteries are used for smaller electronic devices. Standard domestic applications include watches, scales, remote controls and calculators. They can be found in greeting cards, and are used to power small LEDs or speakers within the card.

Coin batteries can also be used to power medical devices such as hearing aids, implantable defibrillators and pacemakers.

Which battery should I use?

Coin batteries have a very long shelf life. They have low levels of self-discharge which means they are able to hold their charge for a long time without losing any power. Coin cells are constructed with 1 of 3 types of battery chemistry. This can help you to choose the most suitable battery for your application.

Alkaline button batteries:

These are an economic solution as they are cheaper than lithium or silver oxide batteries. They do not maintain constant voltage throughout their lifespan like other batteries do. This means that the voltage drops consistently and they typically last half as long as lithium or silver oxide batteries. They have less capacity than silver oxide and lithium batteries.

Silver oxide and lithium button batteries:

Lithium and silver oxide coin batteries have stable voltage throughout their lifespan. Unlike alkaline batteries, they are subject to a drop in voltage quite suddenly as they approach end of life. They are more resistant to corrosion and have better leakage resistance. The main difference between silver oxide and lithium batteries is the voltage. Lithium batteries provide voltage of 3 V while silver oxide batteries offer 1.5 V.


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Beskrivning Pris Model Number Size IEC Name Chemistry Nominal Voltage Capacity Terminal Type Diameter Dimensions Series
RS-artikelnummer 593-423
VarumärkeRS PRO
16,606 kr
Each (In a Pack of 5)
Enheter
- SR44 - Silver Oxide 1.55V 165mAh Standard 11.6mm 11.6 x 5.4mm -
RS-artikelnummer 775-7233
VarumärkeRS PRO
33,61 kr
1 Pack of 5
Förpackning(ar)
- LR44 - Alkaline 1.5V 158mAh Standard 11.53mm 11.53 x 5.43mm -
RS-artikelnummer 866-0672
VarumärkeRS PRO
10,32 kr
Each (In a Pack of 5)
Enheter
- CR2032 - Lithium Manganese Dioxide 3V 225mAh Standard 20mm 20 x 3.2mm -
RS-artikelnummer 866-0675
VarumärkeRS PRO
16,688 kr
Each (In a Pack of 5)
Enheter
- CR2430 - Lithium Manganese Dioxide 3V 300mAh Standard 24.5mm 24.5 x 3mm -
RS-artikelnummer 866-0653
VarumärkeRS PRO
10,712 kr
Each (In a Pack of 5)
Enheter
- CR1220 - Lithium Manganese Dioxide 3V 36mAh Standard 12.5mm 12.5 x 2mm -
RS-artikelnummer 866-0669
VarumärkeRS PRO
11,974 kr
Each (In a Pack of 5)
Enheter
- CR2016 - Lithium Manganese Dioxide 3V 90mAh Standard 20mm 20 x 1.6mm -
RS-artikelnummer 866-0679
VarumärkeRS PRO
20,474 kr
Each (In a Pack of 5)
Enheter
- CR2450 - Lithium Manganese Dioxide 3V 620mAh Standard 24.5mm 24.5 x 5mm -
RS-artikelnummer 866-0666
VarumärkeRS PRO
12,202 kr
Each (In a Pack of 5)
Enheter
- CR1620 - Lithium Manganese Dioxide 3V 75mAh Standard 16mm 16 x 2mm -
RS-artikelnummer 514-7700
VarumärkeRS PRO
15,874 kr
Each (In a Pack of 5)
Enheter
- SR43 - Silver Oxide 1.55V 120mAh Standard 11.6mm 11.6 x 4.2mm -
RS-artikelnummer 866-0663
VarumärkeRS PRO
5,20 kr
Each (In a Pack of 5)
Enheter
- CR2025 - Lithium Manganese Dioxide 3V 160mAh Standard 20mm 20 x 2.5mm -
RS-artikelnummer 494-2374
VarumärkeRS PRO
8,25 kr
Each (In a Pack of 5)
Enheter
- SR69 - Silver Oxide 1.55V 44mAh Standard 9.5mm 9.5 x 2.1mm -
RS-artikelnummer 494-2403
VarumärkeRS PRO
10,402 kr
Each (In a Pack of 5)
Enheter
- SR57 - Silver Oxide 1.55V 55mAh Standard 9.5mm 9.5 x 2.7mm -
RS-artikelnummer 183-4283
VarumärkeRS PRO
26,00 kr
Each
Enheter
- LIR1025 - Lithium 3.7V 6mAh - 10mm 10 x 2.5mm -
RS-artikelnummer 801-0727
VarumärkeRS PRO
8,685 kr
Each (In a Pack of 6)
Enheter
- PR48 - Zinc Air 1.4V 95mAh Standard 7.9mm 7.9 x 5.4mm -
RS-artikelnummer 801-0730
VarumärkeRS PRO
8,268 kr
Each (In a Pack of 6)
Enheter
- PR44 - Zinc Air 1.4V 300mAh Standard 11.6mm 11.6 x 5.4mm -
RS-artikelnummer 183-4294
VarumärkeRS PRO
26,00 kr
Each
Enheter
- LIR2430 - Lithium 2.75V 60mAh - 24mm 24 x 3mm -
RS-artikelnummer 183-4295
VarumärkeRS PRO
29,76 kr
Each
Enheter
- LIR2450 - Lithium 3.6V 120mAh - 24mm 24 x 5mm -
RS-artikelnummer 183-4293
VarumärkeRS PRO
26,00 kr
Each
Enheter
- LIR2050 - Lithium 2.75V 80mAh - 20mm 20 x 5mm -
RS-artikelnummer 183-4284
VarumärkeRS PRO
27,68 kr
Each
Enheter
- LIR1220 - Lithium 3.7V 8mAh - 12mm 12 x 2mm LIR
RS-artikelnummer 183-4289
VarumärkeRS PRO
23,50 kr
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- LIR2016 - Lithium 3.7V 16mAh - 20mm 20 x 1.6mm -
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