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 dioxideS – Silver oxideP – Zinc-airC – Lithium manganese dioxideB – Lithium carbon monofluorideG – Lithium copper oxideThe second letter defines the shape:R – Round F – FlatS – SquareP – All others that arent 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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Description Price Model Number Size IEC Name Chemistry Nominal Voltage Capacity Terminal Type Diameter Dimensions Series
New
RS stock no. 191-7979
Mfr. Part No.97384162 SR920/8MR1WW
BrandMurata
R 3,139.44
1 Tray of 100
Tray(s)
SR920 - - Silver Oxide 1.55V 40mAh Flat 9.5mm 9.5 x 2.1mm -
New
RS stock no. 191-8138
Mfr. Part No.97384161 SR626/8MR1WW
BrandMurata
R 28.992
Each (In a Pack of 5)
units
SR626 - - Silver Oxide 1.55V 28mAh Flat 6.8mm 6.8 x 2.6mm -
RS stock no. 186-3386
Mfr. Part No.97384083
BrandMurata
R 29.81
Each
units
- CR2050 - - - - - - - -
New
RS stock no. 191-6770
Mfr. Part No.97384196
BrandMurata
R 16.80
Each
units
CR2032X-HE1 - CR2032 Lithium Manganese Dioxide 3V 220mAh Flat 20mm 20 x 3.2mm -
New
RS stock no. 191-5228
Mfr. Part No.97384199
BrandMurata
R 3,991.90
1 Tray of 250
Tray(s)
CR2032R-HO6 - CR2032 Lithium Manganese Dioxide 3V 200mAh Flat 20mm 9.5 x 2.7mm -
New
RS stock no. 191-5224
Mfr. Part No.97384202
BrandMurata
R 6,121.20
1 Tray of 250
Tray(s)
CR2450X-HO5 - CR2450 Lithium Manganese Dioxide 3V 600mAh Flat 24.5mm 24.5 x 5mm -
New
RS stock no. 191-8140
Mfr. Part No.97384162 SR920/8MR1WW
BrandMurata
R 40.438
Each (In a Pack of 5)
units
SR920 - - Silver Oxide 1.55V 40mAh Flat 9.5mm 9.5 x 2.1mm -
New
RS stock no. 191-7982
Mfr. Part No.97384003 LR44/8MR1WW
BrandMurata
R 922.68
1 Tray of 100
Tray(s)
LR44 LR44 - Alkaline Manganese Dioxide 1.5V 120mAh Flat 11.6mm 11.6 x 5mm -
RS stock no. 186-3336
Mfr. Part No.97384083
BrandMurata
R 632.91
1 Tray of 25
Tray(s)
- CR2050 - Lithium Manganese Dioxide 3V 345mAh - 20mm 20 x 5mm CR
New
RS stock no. 191-5226
Mfr. Part No.97384194
BrandMurata
R 3,991.90
1 Tray of 250
Tray(s)
CR2032R-HE1 - CR2032 Lithium Manganese Dioxide 3V 200mAh Flat 20mm 9.5 x 2.7mm -
New
RS stock no. 191-7980
Mfr. Part No.97384163 SR927/8MR1WW
BrandMurata
R 3,261.86
1 Tray of 100
Tray(s)
SR927 - - Silver Oxide 1.55V 60mAh Flat 9.5mm 9.5 x 2.7mm -
New
RS stock no. 191-6786
Mfr. Part No.97384195
BrandMurata
R 25.80
Each
units
CR2450R-HE6 - CR2450 Lithium Manganese Dioxide 3V 500mAh Flat 24.5mm 24.5 x 5mm -
New
RS stock no. 191-6781
Mfr. Part No.97384203
BrandMurata
R 35.10
Each
units
CR2477X-HO4 - CR2477 Lithium Manganese Dioxide 3V 1Ah Flat 24.5mm 24.5 x 7.7mm -
New
RS stock no. 191-5225
Mfr. Part No.97384203
BrandMurata
R 4,172.80
1 Tray of 125
Tray(s)
CR2477X-HO4 - CR2477 Lithium Manganese Dioxide 3V 1Ah Flat 24.5mm 24.5 x 7.7mm -
New
RS stock no. 191-8142
Mfr. Part No.97384163 SR927/8MR1WW
BrandMurata
R 41.84
Each (In a Pack of 5)
units
SR927 - - Silver Oxide 1.55V 60mAh Flat 9.5mm 9.5 x 2.7mm -
New
RS stock no. 191-6772
Mfr. Part No.97384197
BrandMurata
R 25.80
Each
units
CR2450X-HE6 - CR2450 Lithium Manganese Dioxide 3V 600mAh Flat 24.5mm 24.5 x 5mm -
New
RS stock no. 191-5221
Mfr. Part No.97384197
BrandMurata
R 6,121.20
1 Tray of 250
Tray(s)
CR2450X-HE6 - CR2450 Lithium Manganese Dioxide 3V 600mAh Flat 24.5mm 24.5 x 5mm -
RS stock no. 186-3383
Mfr. Part No.97384068
BrandMurata
R 27.22
Each
units
- CR2032 - - - - - - - -
New
RS stock no. 191-7981
Mfr. Part No.97384004 LR41/8MR1WW
BrandMurata
R 670.19
1 Tray of 100
Tray(s)
LR41 - - Alkaline Manganese Dioxide 1.5V 45mAh Flat 7.9mm 7.9 x 3.6mm -
RS stock no. 186-3370
Mfr. Part No.97384009
BrandMurata
R 24.63
Each
units
- CR1632 - - - - - - - -