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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제품설명 단가 Model Number Size IEC Name Chemistry Nominal Voltage Capacity Terminal Type Diameter Dimensions Series
RS 제품 번호 593-423
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제조사RS PRO
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RS 제품 번호 514-7766
제조사RS PRO
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- SR66 - Silver Oxide 1.55V 25mAh Standard 6.8mm 6.8 x 2.6mm SR
RS 제품 번호 514-7700
제조사RS PRO
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제조사RS PRO
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RS 제품 번호 593-439
제조사RS PRO
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Each (In a Pack of 5)
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RS 제품 번호 514-7716
제조사RS PRO
₩1,867.75
Each (In a Pack of 5)
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RS 제품 번호 595-659
제조사RS PRO
₩1,444.60
Each (In a Pack of 5)
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- SR55 - Silver Oxide 1.55V 40mAh Standard 11.6mm 11.6 x 2.1mm SR
RS 제품 번호 514-7750
제조사RS PRO
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RS 제품 번호 593-401
제조사RS PRO
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RS 제품 번호 798-9391
제조사Duracell
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RS 제품 번호 798-9408
제조사Duracell
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RS 제품 번호 798-9405
제조사Duracell
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RS 제품 번호 183-9491
제조사 부품 번호CR-2032/GVFN
제조사Panasonic
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RS 제품 번호 188-2113
제조사 부품 번호20361903501
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제조사Panasonic
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