Battery Contacts

Batteries have a positive and negative end that need connecting to an electrical circuit. In cylindrical batteries the positive end consists of a small projection whilst the negative end has a flat base. Both ends of the battery need to mate with contacts which are metal strips or springs that are found in battery holders or compartments. The battery contacts are connected by wire leads to the electrical circuitry in the device so when the terminals press against them an electrical connection is made. The most common types of terminal found in battery holders are coiled springs or spring contacts and flat tab contacts.

Sometimes a battery is wired directly to a device rather than inserted into a holder. For these applications battery contacts are available which are designed for soldering directly onto the PCB. Once the contact is soldered onto the PCB the battery is then connected directly on to it.

Battery terminals can have a fixed or flexible design. Flexible contacts such as leaf spring contacts have a rugged design and allow for the slight expansion of the battery on discharge and for any other battery movement that may be caused by shock and vibration. This feature enables a reliable connection to be maintained as well as being able to accommodate a range of battery lengths.

Battery contacts are designed for use with a wide range of battery sizes and are available as single contacts for use with single batteries or double contacts for two batteries. Battery straps with snap-on press stud contacts are specially designed for use with 9V PP3 batteries. Battery contacts are also made from different materials with a range of platings.


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Description Price For Battery Size Number of Cells Terminal Contact Material Terminal Contact Type
RS Stock No. 489-021
BrandRS PRO
HK$4.984
Each (In a Pack of 5)
units
9V PP3 1 - Press Stud
RS Stock No. 172-5996
Mfr. Part No.68
BrandKeystone
HK$25.05
1 Bag of 5
Bag(s)
9V PP3 1 Steel Press Stud
RS Stock No. 410-2548
Mfr. Part No.238
BrandKeystone
HK$1.34
Each (In a Pack of 10)
units
AAA, AAAA, N 1 Spring Steel Button
RS Stock No. 324-7319
Mfr. Part No.5203
BrandKeystone
HK$42.35
1 Bag of 10
Bag(s)
AAA, AAAA, N 1 Spring Steel Coil Spring
RS Stock No. 279-5457
Mfr. Part No.84-6
BrandKeystone
HK$40.95
1 Bag of 5
Bag(s)
9V PP3 1 Brass Press Stud
RS Stock No. 205-0057
Mfr. Part No.629
BrandKeystone
HK$11.03
Each (In a Pack of 10)
units
A23, AAA, N 1 Spring Steel Coil Spring
RS Stock No. 172-5968
Mfr. Part No.593
BrandKeystone
HK$3.09
Each (In a Pack of 10)
units
9V PP3 1 - Press Stud
RS Stock No. 172-5980
Mfr. Part No.209
BrandKeystone
HK$3.30
Each (In a Pack of 10)
units
A, AA 1 Nickel Plated Spring Steel Leaf Spring
RS Stock No. 324-7303
Mfr. Part No.5202
BrandKeystone
HK$40.68
1 Bag of 10
Bag(s)
A, AA 1 Spring Steel Coil Spring
New
RS Stock No. 185-4674
BrandRS PRO
HK$3.33
Each
units
AA - Nickel Plated Spring Steel -
New
RS Stock No. 185-4790
BrandRS PRO
HK$4.71
Each
units
9V - - -
RS Stock No. 172-4915
Mfr. Part No.211D
BrandKeystone
HK$3.943
Each (In a Bag of 10)
units
C, D 1 Spring Steel Coil Spring
RS Stock No. 410-1466
Mfr. Part No.5214
BrandKeystone
HK$4.51
Each (In a Pack of 10)
units
AAA, N 2 Spring Steel Button & Coil Spring
RS Stock No. 191-3941
Mfr. Part No.594
BrandKeystone
HK$3.34
Each (In a Pack of 10)
units
9V PP3 1 - Press Stud
RS Stock No. 327-7556
Mfr. Part No.211
BrandKeystone
HK$0.729
Each (In a Bag of 10)
units
A, AA - Spring Steel Coil Spring
RS Stock No. 324-7325
Mfr. Part No.5224
BrandKeystone
HK$21.90
1 Bag of 10
Bag(s)
A, AA 1 Steel Button
RS Stock No. 367-6329
Mfr. Part No.5212
BrandKeystone
HK$61.52
1 Bag of 10
Bag(s)
A, AA 2 Spring Steel Coil Spring
New
RS Stock No. 185-4670
BrandRS PRO
HK$4.25
Each
units
AAA - Nickel Plated Spring Steel -
RS Stock No. 410-1494
Mfr. Part No.291
BrandKeystone
HK$4.248
Each (In a Pack of 10)
units
A, AA 1 Spring Steel Button & Leaf Spring
New
RS Stock No. 185-4673
BrandRS PRO
HK$4.10
Each
units
AA - - -
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