{"title":"Alarm System Batteries","description":"\u003cp\u003eLucas alarm system batteries provide rechargeable standby power for compatible burglar alarm panels, security systems, access-control equipment and related control units. Popular replacements include 12V AGM\/VRLA batteries in capacities such as 2.3Ah, 3.2Ah, 7Ah, 9Ah and 12Ah.\u003c\/p\u003e\n\n\u003cp\u003eThe correct alarm battery must match the control equipment, available enclosure space, charging circuit and required standby performance. Do not choose from voltage or Ah alone, and arrange professional assistance whenever opening or servicing the panel could affect safety, monitoring or system programming.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does an alarm system battery do?\u003c\/h3\u003e\n\n\u003cp\u003eA wired alarm control panel is normally powered from the mains and uses its rechargeable battery as a backup supply. If mains power is interrupted, the battery helps keep the panel, detectors, sounders and signalling equipment operating for the period supported by the system design and battery condition.\u003c\/p\u003e\n\n\u003cp\u003eThe panel also monitors and charges the battery during normal operation. A battery that is worn, disconnected or unsuitable can produce a fault warning and may reduce the time the alarm remains operational during a power cut.\u003c\/p\u003e\n\n\u003ch3\u003ePopular 12V alarm battery capacities\u003c\/h3\u003e\n\n\u003cp\u003eCommon alarm-panel replacements include several compact 12V standby formats:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V 2.3Ah:\u003c\/strong\u003e a slim battery used where the enclosure has limited depth or a smaller standby requirement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V 3.2Ah:\u003c\/strong\u003e another compact format with different proportions from the 2.3Ah case.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V 7Ah:\u003c\/strong\u003e one of the most widely encountered alarm and security-panel battery sizes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V 9Ah:\u003c\/strong\u003e often supplied in a similar general footprint to some 7Ah batteries, but capacity, weight and exact dimensions must be checked.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V 12Ah:\u003c\/strong\u003e a larger standby battery for equipment designed with sufficient enclosure space and charging capability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese capacities are not automatically interchangeable. Increasing Ah can increase recharge time and place different demands on the control panel's charging circuit. Use the panel manufacturer's approved capacity and specification.\u003c\/p\u003e\n\n\u003ch3\u003eHow to identify the correct alarm panel battery\u003c\/h3\u003e\n\n\u003cp\u003eCheck the alarm-system manual, service documentation and complete reference printed on the existing battery. Compare all of the following:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e confirm the required nominal battery voltage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e match the approved Ah rating or permitted range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery technology:\u003c\/strong\u003e confirm sealed AGM\/VRLA lead-acid construction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e measure length, width and height to the top of the terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal width:\u003c\/strong\u003e check whether the battery uses F1, F2 or another tab size.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolarity:\u003c\/strong\u003e mark and verify the positive and negative connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure clearance:\u003c\/strong\u003e make sure the door closes without cables being pinched or terminals touching metalwork.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharging compatibility:\u003c\/strong\u003e ensure the control panel is designed to charge the replacement capacity and chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTwo batteries can both be labelled 12V while having different dimensions, terminal widths and intended uses. Always compare the complete specification.\u003c\/p\u003e\n\n\u003ch3\u003eAGM\/VRLA standby batteries for alarm systems\u003c\/h3\u003e\n\n\u003cp\u003eLucas LSLA batteries use sealed AGM\/VRLA construction. AGM means absorbent glass mat, while VRLA means valve-regulated lead-acid. The electrolyte is retained within the battery and routine water or electrolyte top-ups are not required.\u003c\/p\u003e\n\n\u003cp\u003eAlarm systems need standby performance rather than the repeated deep cycling required by mobility equipment or the high-current cranking duty of a vehicle battery. Select the Lucas standby reference intended for the panel instead of substituting a car, motorcycle or cyclic battery.\u003c\/p\u003e\n\n\u003ch3\u003eAlarm panel batteries and wireless sensor batteries are different\u003c\/h3\u003e\n\n\u003cp\u003eThis collection is intended primarily for rechargeable backup batteries fitted inside compatible control panels and associated security equipment. Wireless PIR detectors, door contacts, external sirens, keyfobs and other wireless devices often use separate disposable lithium or alkaline batteries of their own.\u003c\/p\u003e\n\n\u003cp\u003eA 12V alarm panel battery does not replace those individual wireless-device batteries. Check the fault message or device identifier carefully so the correct component is serviced.\u003c\/p\u003e\n\n\u003ch3\u003eCan I fit a higher-Ah alarm battery?\u003c\/h3\u003e\n\n\u003cp\u003eA higher-capacity battery should only be fitted when the alarm manufacturer permits it and the battery fits safely inside the enclosure. The panel power supply must be capable of recharging it correctly within the required period while supporting the connected system load.\u003c\/p\u003e\n\n\u003cp\u003eDo not force a larger battery into the enclosure, leave it unsecured outside the panel or alter protective wiring to make it fit. If longer standby time is required, the complete system and power-supply design should be assessed by a competent alarm engineer.\u003c\/p\u003e\n\n\u003ch3\u003eWhen should an alarm system battery be replaced?\u003c\/h3\u003e\n\n\u003cp\u003ePossible signs include a battery or power-supply fault on the keypad, recurring alerts after a mains interruption, reduced standby time, failure of a scheduled battery test or physical deterioration of the battery.\u003c\/p\u003e\n\n\u003cp\u003eAge alone does not confirm condition, and a battery fault can also result from loose terminals, a failed fuse or a problem with the panel charging circuit. Test the battery and charging voltage as part of a proper system service.\u003c\/p\u003e\n\n\u003ch3\u003eSafe alarm battery replacement\u003c\/h3\u003e\n\n\u003cp\u003eOpening an alarm control panel can activate tamper protection, trigger internal or external sounders and affect remote monitoring. Mains voltage may also be present inside the enclosure. Follow the manufacturer's service procedure and use a qualified alarm engineer where necessary.\u003c\/p\u003e\n\n\u003cp\u003eBefore disconnecting the old battery, photograph the lead positions and verify polarity. Never short the terminals, allow them to contact the metal enclosure or connect the battery in reverse. Stop using any battery that is swollen, cracked, leaking or excessively hot.\u003c\/p\u003e\n\n\u003ch3\u003eFire alarm and monitored security systems\u003c\/h3\u003e\n\n\u003cp\u003eFire detection, monitored alarms and professionally graded security systems may have formal standby-time, maintenance, testing and record-keeping requirements. Replacement capacity should be calculated from the system load and applicable design requirements rather than copied from a visually similar panel.\u003c\/p\u003e\n\n\u003cp\u003eThese systems should be inspected and serviced by an appropriately competent professional. Purchasing a battery does not replace the need for system testing after installation.\u003c\/p\u003e\n\n\u003ch3\u003eFind the correct Lucas alarm system battery\u003c\/h3\u003e\n\n\u003cp\u003eBrowse the Lucas alarm system batteries above by voltage, Ah capacity, dimensions and terminal type. If you are unsure, send us the alarm panel make and model plus photographs of the existing battery label, terminals and available enclosure space. For fire, monitored or professionally maintained systems, confirm the replacement with your alarm engineer before ordering.\u003c\/p\u003e","products":[{"product_id":"lsla12-12-lucas-12v-12ah-sla-agm-standby-battery","title":"LSLA12-12 Lucas 12V 12Ah SLA\/AGM Standby Battery","description":"\u003cp\u003eLSLA12-12 Lucas 12V 12Ah SLA\/AGM Standby Battery from the Lucas sealed lead acid SLA\/AGM range.\u003c\/p\u003e\u003cp\u003eThis maintenance-free battery is suitable for standby battery applications. Please check the specifications below against your existing battery before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LSLA12-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 12Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 151 x 98 x 101 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal layout:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal type:\u003c\/strong\u003e TAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold down:\u003c\/strong\u003e B00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.23 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed help choosing the correct Lucas SLA or AGM battery? Contact our UK battery specialists before ordering.\u003c\/p\u003e","brand":"Lucas","offers":[{"title":"Default Title","offer_id":54552856265046,"sku":"LSLA12-12","price":36.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5033\/6854\/files\/LSLA12-12-Copy.jpg?v=1784641111"},{"product_id":"lsla2-3-12-lucas-12v-2-3ah-sla-agm-standby-battery","title":"LSLA2.3-12 Lucas 12V 2.3Ah SLA\/AGM Standby Battery","description":"\u003cp\u003eLSLA2.3-12 Lucas 12V 2.3Ah SLA\/AGM Standby Battery from the Lucas sealed lead acid SLA\/AGM range.\u003c\/p\u003e\u003cp\u003eThis maintenance-free battery is suitable for standby battery applications. Please check the specifications below against your existing battery before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LSLA2.3-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 2.3Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 178 x 34 x 64 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal layout:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal type:\u003c\/strong\u003e TAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold down:\u003c\/strong\u003e B00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.97 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed help choosing the correct Lucas SLA or AGM battery? Contact our UK battery specialists before ordering.\u003c\/p\u003e","brand":"Lucas","offers":[{"title":"Default Title","offer_id":54552864555350,"sku":"LSLA2.3-12","price":25.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5033\/6854\/files\/LSla2.3-12-Copy.jpg?v=1784641046"},{"product_id":"lsla3-2-12-lucas-12v-3-2ah-sla-agm-standby-battery","title":"LSLA3.2-12 Lucas 12V 3.2Ah SLA\/AGM Standby Battery","description":"\u003cp\u003eLSLA3.2-12 Lucas 12V 3.2Ah SLA\/AGM Standby Battery from the Lucas sealed lead acid SLA\/AGM range.\u003c\/p\u003e\u003cp\u003eThis maintenance-free battery is suitable for standby battery applications. Please check the specifications below against your existing battery before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LSLA3.2-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 3.2Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 134 x 67 x 64 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal layout:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal type:\u003c\/strong\u003e TAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold down:\u003c\/strong\u003e B00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.32 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed help choosing the correct Lucas SLA or AGM battery? Contact our UK battery specialists before ordering.\u003c\/p\u003e","brand":"Lucas","offers":[{"title":"Default Title","offer_id":54552870650198,"sku":"LSLA3.2-12","price":25.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5033\/6854\/files\/lsla3.2-12-Copy.jpg?v=1784641000"},{"product_id":"lsla7-12-lucas-12v-7ah-sla-agm-standby-battery","title":"LSLA7-12 Lucas 12V 7Ah SLA\/AGM Standby Battery","description":"\u003cp\u003eLSLA7-12 Lucas 12V 7Ah SLA\/AGM Standby Battery from the Lucas sealed lead acid SLA\/AGM range.\u003c\/p\u003e\u003cp\u003eThis maintenance-free battery is suitable for standby battery applications. Please check the specifications below against your existing battery before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LSLA7-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 7Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 151 x 65 x 98 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal layout:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal type:\u003c\/strong\u003e TAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold down:\u003c\/strong\u003e B00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.93 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed help choosing the correct Lucas SLA or AGM battery? Contact our UK battery specialists before ordering.\u003c\/p\u003e","brand":"Lucas","offers":[{"title":"Default Title","offer_id":54552880087382,"sku":"LSLA7-12","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5033\/6854\/files\/LSLA7-12-Copy.jpg?v=1784640934"},{"product_id":"lsla9-12-lucas-12v-9ah-sla-agm-standby-battery","title":"LSLA9-12 Lucas 12V 9Ah SLA\/AGM Standby Battery","description":"\u003cp\u003eLSLA9-12 Lucas 12V 9Ah SLA\/AGM Standby Battery from the Lucas sealed lead acid SLA\/AGM range.\u003c\/p\u003e\u003cp\u003eThis maintenance-free battery is suitable for standby battery applications. Please check the specifications below against your existing battery before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LSLA9-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 9Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 151 x 65 x 98 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal layout:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal type:\u003c\/strong\u003e TAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold down:\u003c\/strong\u003e B00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.72 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed help choosing the correct Lucas SLA or AGM battery? Contact our UK battery specialists before ordering.\u003c\/p\u003e","brand":"Lucas","offers":[{"title":"Default Title","offer_id":54552883003734,"sku":"LSLA9-12","price":31.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5033\/6854\/files\/LSLA9-12-Copy.jpg?v=1784640918"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5033\/6854\/collections\/lucas-alarm-batteries.png?v=1782208688","url":"https:\/\/lucasbatteries.co.uk\/collections\/alarm-system-batteries.oembed","provider":"Lucas Battery Specialists UK","version":"1.0","type":"link"}