Wireless Alarm Batteries

In the range of wireless alarm system batteries featured here, you will find a selection of high-quality suitable replacement cells for various security devices and equipment such as window and door contacts, alarm bell boxes, panic buttons and more. Select from reliable brands of A23, CR123A 3.0 Volt lithium batteries, CR2 and 1/2 AA size (3.6 Volt), supplied in sealed blister packs containing single new cells. ½AA cells are also referred to as size code LS 14250.

For further information including voltage specifications, current ratings and dimensions, please select a product below.

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  • Duracell Lithium CR2 Batteries | 100 Pack Duracell Lithium CR2 Batteries | 100 Pack

    Duracell Lithium CR2 Batteries | 100 Pack

    Duracell

    £247.95
    Duracell Lithium CR2 batteries, provided in a pack of 100, are designed for professional use where compact size and high-power output are essential. With their robust energy delivery, these batteries are perfect for high-tech devices, including medical...
    £247.95
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  • Duracell Lithium CR2 Batteries | 10 Pack Duracell Lithium CR2 Batteries | 10 Pack

    Duracell Lithium CR2 Batteries | 10 Pack

    Duracell

    £25.75
    Duracell Lithium CR2 Batteries in a 10 Pack are a reliable power source designed to meet the high-energy requirements of business and industrial environments. These batteries are known for their long-lasting performance, significantly reducing the...
    £25.75
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  • Panasonic CR2 Lithium Photo Battery | 100 Pack Panasonic CR2 Lithium Photo Battery | 100 Pack

    Panasonic CR2 Lithium Photo Battery | 100 Pack

    Panasonic

    £133.95
    Panasonic CR2 Lithium Photo Batteries in a 100 pack are the go-to choice for professional settings where a substantial quantity of reliable batteries is a necessity. These batteries offer long-lasting performance for photography equipment, ensuring that...
    £133.95
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  • Panasonic CR2 Lithium Photo Battery | 10 Pack Panasonic CR2 Lithium Photo Battery | 10 Pack

    Panasonic CR2 Lithium Photo Battery | 10 Pack

    Panasonic

    £15.49
    Panasonic CR2 Lithium Photo Batteries in a 10 pack are expertly designed for high-stakes applications where precision and reliability are paramount. Ideal for professional photography equipment, these batteries ensure that power is never a limiting...
    £15.49
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  • Panasonic CR123A Lithium Battery | 100 Pack Panasonic CR123A Lithium Battery | 100 Pack

    Panasonic CR123A Lithium Battery | 100 Pack

    Panasonic

    £133.95
    The Panasonic CR123A Lithium Battery 100 Pack is specifically designed to cater to large-scale industrial needs, offering a bulk supply of high-quality, high-energy batteries. These batteries provide reliable performance for critical applications where...
    £133.95
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  • Panasonic CR123A Lithium Battery | 10 Pack Panasonic CR123A Lithium Battery | 10 Pack

    Panasonic CR123A Lithium Battery | 10 Pack

    Panasonic

    £15.49
    Panasonic CR123A Lithium Batteries deliver dependable, high-energy performance for demanding industrial applications. This 10-pack is engineered to provide a consistent power source for devices where failure is not an option. The lithium cells offer a...
    £15.49
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  • GP 23A A23 MN21 Batteries | 5 Pack

    GP 23A A23 MN21 Batteries | 5 Pack

    GP

    £2.95
    Available in a card strip of five, the GP 23A High Voltage Alkaline Battery is a small, cylindrical, 12 volt battery rated at a nominal capacity of 55mAh. Measuring just 10.22mm in diameter and 28.5mm in height, this small and light but powerful battery...
    £2.95
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  • Duracell MN21 A23 LRV08 Batteries | 2 Pack Duracell MN21 A23 LRV08 Batteries | 2 Pack

    Duracell MN21 A23 LRV08 Batteries | 2 Pack

    Duracell

    £1.89
    Duracell has always been known for its industry leading quality in manufacturing, and the Duracell MN21 key fob battery benefits from this level of quality. Duracell MN21 can fit many electronic key fobs, such as garage door openers, so the Duracell MN21...
    £1.89
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  • Duracell Lithium CR2 Batteries | 2 Pack Duracell Lithium CR2 Batteries | 2 Pack

    Duracell Lithium CR2 Batteries | 2 Pack

    Duracell

    £5.25
    Guaranteed to provide long-lasting power, this twin pack of lightweight lithium Duracell High Power Lithium CR2 cells incorporates Duralock Power Preserve technology to offer an incredible shelf life of ten years. Rated at 3.0 Volts (780 mAh), these...
    £5.25
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  • Duracell Lithium CR2 Battery | 1 Pack Duracell Lithium CR2 Battery | 1 Pack

    Duracell Lithium CR2 Battery | 1 Pack

    Duracell

    £2.75
    This High Power Lithium CR2 battery is part of the High Power Lithium line from Duracell, made to provide lightweight, reliable power for constant operation of high demand devices. You can trust these cells to deliver maximum output far longer than...
    £2.75
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  • Duracell Lithium DL123 CR123A Battery | 1 Pack Duracell Lithium DL123 CR123A Battery | 1 Pack

    Duracell Lithium DL123 CR123A Battery | 1 Pack

    Duracell

    £2.69
    Designed specifically for high drain applications such as digital cameras, Duracell High Power Lithium batteries from will outperform other battery chemistries by far. This DL123 battery is a high capacity, 3V single-use cell engineered for...
    £2.69
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  • Energizer A23 MN21 LRV08 Batteries | 2 Pack

    Energizer A23 MN21 LRV08 Batteries | 2 Pack

    Energizer

    £1.75
    Sold in a pack of 2, these Energizer MN21 A23 Batteries are often found in a wide range of security equipment including alarms, key-fobs and intruder detectors. They also have applications in the medical industry with many blood pressure monitoring...
    £1.75
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  • Energizer CR2 Lithium Battery | 1 Pack Energizer CR2 Lithium Battery | 1 Pack

    Energizer CR2 Lithium Battery | 1 Pack

    Energizer

    £2.75
    Energizer CR2 Lithium Batteries are suited for high drain electronic devices like digital cameras and camera flashes. With this battery’s high energy density, you can be sure that every shot will count. Its ability to cope with extreme temperatures...
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  • Energizer 123 CR123A Lithium Battery | 1 Pack Energizer 123 CR123A Lithium Battery | 1 Pack

    Energizer 123 CR123A Lithium Battery | 1 Pack

    Energizer

    £1.95
    Energizer Lithium 123 Batteries are used in cameras wireless intruder alarms, and PIR detectors and sensors. They are the perfect choice for these devices and last 2-3 years before needing to be replaced. For cameras and camcorders they will last up to...
    £1.95
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  • Panasonic CR2 Lithium Photo Battery | 2 Pack

    Panasonic CR2 Lithium Photo Battery | 2 Pack

    Panasonic

    £3.15
    These Panasonic CR2 Lithium Photo batteries will provide long-lasting, reliable power to your photography equipment, coming recommended by a number of well-known digital camera manufacturers such as Canon, Nikon and Fuji. Although they are the perfect...
    £3.15
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    £3.15
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  • Panasonic CR123A Lithium Battery | 2 Pack Panasonic CR123A Lithium Battery | 2 Pack

    Panasonic CR123A Lithium Battery | 2 Pack

    Panasonic

    £3.15
    Panasonic CR123A cells have a nominal potential of 3.0 Volts and a peak output capacity of 1400 mA/h. Ideal for photographers, they feature lithium chemistry and low internal resistance, which ensure fast flash recovery times in digital cameras,...
    £3.15
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  • Panasonic CR2 Lithium Photo Battery | 1 Pack

    Panasonic CR2 Lithium Photo Battery | 1 Pack

    Panasonic

    £1.59
    Panasonic CR2 batteries have a capacity of 850mAh and deliver a voltage of 3V. They are made from lightweight material and weigh only 11g. These batteries can operate at temperatures as low as -40oC and as high as 70oC. Panasonic CR2 batteries combine...
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  • Panasonic CR123A Lithium Battery | 1 Pack Panasonic CR123A Lithium Battery | 1 Pack

    Panasonic CR123A Lithium Battery | 1 Pack

    Panasonic

    £1.59
    Panasonic CR123A lithium batteries deliver a voltage of 3V and can operate throughout a large temperature range, from -30oC to +70oC. These cells have a very high capacity of 1400 mAh. Panasonic CR123A batteries have a low internal resistance, providing...
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  • Panasonic LRV08 A23 MN21 Battery | 1 Pack

    Panasonic LRV08 A23 MN21 Battery | 1 Pack

    Panasonic

    £1.15
    Panasonic LRV08 A23 MN21 batteries provide a nominal voltage of 12V. These cylindrical cells use alkaline chemistry and have a diameter of 10.5mm and a length of 28mm. These cells are interchangeable with 23A, 23GA, E23A, GP-23A, GP23A, K23A, L1028,...
    £1.15
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  • Ansmann A23 12V Alkaline Battery | 1 Pack

    Ansmann A23 12V Alkaline Battery | 1 Pack

    Ansmann

    £1.25
    This specialist alkaline battery for garage door openers and similar 12V devices is from Ansmann, a manufacturer with a worldwide reputation for excellence and innovation. It delivers the kind of first-class performance you’d expect from a product...
    £1.25
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    £1.25
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  • Tadiran SL-760 AA 3.6V Lithium Thionyl Chloride Battery | 1 Pack

    Tadiran SL-760 AA 3.6V Lithium Thionyl Chloride Battery | 1 Pack

    Tadiran

    £3.95
    The Tadiran SL-760 AA 3.6V Lithium Thionyl Chloride Battery is engineered to deliver high-performance power for industrial-grade applications. This AA-size battery offers a significant energy output with a 3.6V rating, suitable for equipment where...
    £3.95
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  • Tadiran SL-750 1/2AA 3.6V Lithium Thionyl Chloride Battery | 1 Pack

    Tadiran SL-750 1/2AA 3.6V Lithium Thionyl Chloride Battery | 1 Pack

    Tadiran

    £3.95
    Tadiran SL-750 1/2AA 3.6V Lithium Thionyl Chloride Battery is a compact powerhouse designed to provide a dependable energy source for sophisticated industrial applications. Its 1/2AA form factor is particularly suitable for devices where space is at a...
    £3.95
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