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.

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 chemisty:
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?
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
Nytt
RS-artikelnummer 187-8302
Tillv. art.nrE301319500
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- CR2016 - - - - - - - -
RS-artikelnummer 798-9408
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- PR70 - Zinc Air 1.4V - Standard 5.8mm 5.8 x 3.6mm -
RS-artikelnummer 866-0657
VarumärkeRS PRO
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- CR1616 - Lithium Manganese Dioxide 3V 55mAh Standard 16mm 16 x 1.6mm -
RS-artikelnummer 183-9484
Tillv. art.nrBR-2450A/FAN
VarumärkePanasonic
93,06 kr
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- BR2450A - Lithium Polycarbon Monofluoride 3V 550mAh - 24.5mm 24.5 (Dia.) x 5mm BR
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RS-artikelnummer 188-2113
Tillv. art.nr20361903501
VarumärkeVarta
9,382 kr
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20361 SR58 - KOH Electrolyte, Silver Oxide, Zinc 1.55V 22mAh - 7.9mm 7.9 Dia. x 2.1mm V MF
Nytt
RS-artikelnummer 186-3330
Tillv. art.nr97384015
VarumärkeMurata
456,76 kr
1 Tray of 25
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- CR2025 - Lithium Manganese Dioxide 3V 160mAh - 20mm 20 Dia. x 2.5mm CR
RS-artikelnummer 183-9492
Tillv. art.nrCR-3032/F2N
VarumärkePanasonic
96,16 kr
Each
Enheter
- CR3032 - Lithium Manganese Dioxide 3V 500mAh - 30mm 30 (Dia.) x 3.2mm CR
Nytt
RS-artikelnummer 188-1990
Tillv. art.nr20394903501
VarumärkeVarta
14,404 kr
Each (In a Pack of 1000)
Enheter
20394 SR936 - NaOH Electrolyte, Silver Oxide, Zinc 1.55V 58mAh - 9.5mm 9.5 Dia. x 3.6mm V MF
Nytt
RS-artikelnummer 188-2127
Tillv. art.nr20394903501
VarumärkeVarta
15,162 kr
Each (In a Pack of 5)
Enheter
20394 SR936 - NaOH Electrolyte, Silver Oxide, Zinc 1.55V 58mAh - 9.5mm 9.5 Dia. x 3.6mm V MF
Nytt
RS-artikelnummer 186-3374
Tillv. art.nr97384015
VarumärkeMurata
19,49 kr
Each
Enheter
- CR2025 - - - - - - - -
Nytt
RS-artikelnummer 186-3337
Tillv. art.nr97384071
VarumärkeMurata
839,99 kr
1 Tray of 25
Bricka(or)
- CR2450 - Lithium Manganese Dioxide 3V 550mAh - 24.5mm 24.5 Dia. x 5mm CR
RS-artikelnummer 183-9489
Tillv. art.nrCR-2016/F2N
VarumärkePanasonic
21,71 kr
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- CR2016 CR2016 Lithium Manganese Dioxide 3V 90mAh - 20mm 20 (Dia.) x 1.6mm CR
RS-artikelnummer 514-7722
VarumärkeRS PRO
7,048 kr
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- SR58 - Silver Oxide 1.55V 24mAh Standard 7.9mm 7.9 x 2.1mm -
RS-artikelnummer 183-4289
VarumärkeRS PRO
26,48 kr
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- LIR2016 - Lithium 3.7V 16mAh - 20mm 20 Dia. x 1.6mm -
RS-artikelnummer 181-2603
Tillv. art.nrTSXBATM03
VarumärkeSchneider Electric
316,20 kr
Each
Enheter
- - - - - - - - 30 x 16 x 50mm -
RS-artikelnummer 801-0730
VarumärkeRS PRO
6,103 kr
Each (In a Pack of 6)
Enheter
- PR44 - Zinc Air 1.4V 300mAh Standard 11.6mm 11.6 x 5.4mm -
Nytt
RS-artikelnummer 188-2121
Tillv. art.nr20389903501
VarumärkeVarta
17,852 kr
Each (In a Pack of 5)
Enheter
20389 SR54 - KOH Electrolyte, Silver Oxide, Zinc 1.55V 81mAh - 11.6mm 11.6 Dia. x 3.1mm V MF
Nytt
RS-artikelnummer 188-1987
Tillv. art.nr20389903501
VarumärkeVarta
17,004 kr
Each (In a Pack of 1000)
Enheter
20389 SR54 - KOH Electrolyte, Silver Oxide, Zinc 1.55V 81mAh - 11.6mm 11.6 Dia. x 3.1mm V MF
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RS-artikelnummer 187-8301
Tillv. art.nrE301319200
VarumärkeEnergizer
28,463 kr
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- CR2032 - - - - - - - -
Nytt
RS-artikelnummer 187-8303
Tillv. art.nrE301319400
VarumärkeEnergizer
34,12 kr
Each (In a Pack of 2)
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- CR2025 - - - - - - - -