{"title":"Mobility Stairlift Batteries","description":"\u003cp\u003eLucas stairlift batteries provide dependable rechargeable power for stairlifts that operate from an onboard battery pack. The \u003cstrong\u003e12V 7Ah stairlift battery\u003c\/strong\u003e is the most popular replacement size, but the correct voltage, capacity, physical dimensions, terminals and quantity must always be checked before ordering.\u003c\/p\u003e\n\n\u003cp\u003eMany stairlifts use two 12V sealed lead-acid batteries connected together to create a 24V battery pack. However, battery arrangements vary between manufacturers and models, so never assume that every stairlift uses the same battery or requires the same number of units.\u003c\/p\u003e\n\n\u003ch3\u003eWhy does a stairlift use batteries?\u003c\/h3\u003e\n\n\u003cp\u003eA stairlift is commonly powered by rechargeable batteries while a mains-powered charging system keeps them topped up when the lift is parked correctly. This allows the stairlift to continue operating for a limited period during a power cut and avoids the need for a trailing mains cable along the rail.\u003c\/p\u003e\n\n\u003cp\u003eThe batteries are charged regularly during normal use, so they must be compatible with the stairlift's charging system and able to provide reliable power whenever the lift is operated.\u003c\/p\u003e\n\n\u003ch3\u003eIs a 12V 7Ah stairlift battery the correct replacement?\u003c\/h3\u003e\n\n\u003cp\u003eA 12V 7Ah sealed AGM\/VRLA battery is one of the most frequently used stairlift battery sizes. Closely related ratings such as 7.2Ah or 7.4Ah can also appear on original batteries, but an apparently similar rating does not confirm compatibility by itself.\u003c\/p\u003e\n\n\u003cp\u003eBefore purchasing a replacement, check the full reference printed on the existing battery and compare:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e the individual battery voltage must match exactly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e compare the Ah rating with the original specification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e measure the length, width and total height, including the terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal type:\u003c\/strong\u003e check whether the battery uses narrow or wide push-on terminals, bolts or another fitting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal position:\u003c\/strong\u003e confirm that the positive and negative leads will reach safely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e establish whether the stairlift uses one battery, a pair or another pack arrangement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery technology:\u003c\/strong\u003e use a compatible sealed AGM\/VRLA battery designed for the required duty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf the original battery is marked 7.2Ah or 7.4Ah and the proposed replacement is 7Ah, confirm the equipment manufacturer's requirements, case size, terminal type and charging compatibility before fitting it.\u003c\/p\u003e\n\n\u003ch3\u003eWhy stairlift batteries are commonly replaced in pairs\u003c\/h3\u003e\n\n\u003cp\u003eWhere two 12V batteries are connected in series, they work together as one 24V pack. Both batteries experience the same operating and charging cycles, so they normally age together.\u003c\/p\u003e\n\n\u003cp\u003eReplacing only one battery can leave the stairlift with an unbalanced pack because the old and new batteries may charge and discharge differently. Unless the manufacturer or a qualified engineer advises otherwise, it is generally best to replace both batteries at the same time using a correctly matched pair of the same brand, technology, voltage, capacity and age.\u003c\/p\u003e\n\n\u003cp\u003eTake clear photographs of the original wiring and battery positions before disconnecting anything. If the battery pack arrangement is unclear, have the replacement fitted by a competent stairlift engineer.\u003c\/p\u003e\n\n\u003ch3\u003eSealed AGM\/VRLA stairlift batteries\u003c\/h3\u003e\n\n\u003cp\u003eLucas stairlift batteries use sealed AGM\/VRLA construction, which means routine electrolyte top-ups are not required. The electrolyte is held within absorbent glass mat separators and the valve-regulated design provides a practical, maintenance-free battery for use inside the stairlift carriage.\u003c\/p\u003e\n\n\u003cp\u003eAlthough these batteries are commonly described as sealed, charging and installation instructions must still be followed. Keep safety vents unobstructed, avoid short circuits and use only the correct stairlift charging system.\u003c\/p\u003e\n\n\u003ch3\u003eSigns that stairlift batteries may need replacing\u003c\/h3\u003e\n\n\u003cp\u003ePossible warning signs include slower or inconsistent operation, reduced performance during a power cut, repeated low-battery warnings or batteries that no longer retain charge as expected.\u003c\/p\u003e\n\n\u003cp\u003eThese symptoms do not always mean the batteries are faulty. Charging contacts, the power supply, wiring or another stairlift component can cause similar problems. If possible, have the batteries and charging system tested before purchasing replacements.\u003c\/p\u003e\n\n\u003ch3\u003eHow to look after stairlift batteries\u003c\/h3\u003e\n\n\u003cp\u003eFollow the stairlift manufacturer's parking and charging instructions so that the lift reaches its correct charging position. Keep the mains supply switched on unless the manufacturer instructs otherwise, and avoid leaving the stairlift away from its charging point for extended periods.\u003c\/p\u003e\n\n\u003cp\u003eIf the stairlift will not be used for a prolonged period, refer to its manual or contact the service provider for the correct storage and charging procedure. Allowing sealed lead-acid batteries to remain discharged can shorten their useful service life.\u003c\/p\u003e\n\n\u003ch3\u003eFind the correct Lucas stairlift battery\u003c\/h3\u003e\n\n\u003cp\u003eUse the products above to compare Lucas stairlift batteries by voltage, capacity, dimensions and terminal type. If you are unsure, send us the stairlift make and model together with clear photographs of the existing battery labels, terminals and wiring. Our battery team can help you compare the closest suitable Lucas replacement and confirm whether the batteries are normally supplied individually or as a matched pair.\u003c\/p\u003e","products":[{"product_id":"lsla2-9-12-lucas-12v-2-9ah-sla-agm-standby-battery","title":"LSLA2.9-12 Lucas 12V 2.9Ah SLA\/AGM Standby Battery","description":"\u003cp\u003eLSLA2.9-12 Lucas 12V 2.9Ah 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 LSLA2.9-12\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 2.9Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 79 x 56 x 105 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 1.08 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":54552866619734,"sku":"LSLA2.9-12","price":28.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5033\/6854\/files\/LSLA2.9-12-Copy.jpg?v=1784641031"},{"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\/stairlift-batteries.png?v=1784124712","url":"https:\/\/lucasbatteries.co.uk\/collections\/mobility-stairlift-batteries.oembed","provider":"Lucas Battery Specialists UK","version":"1.0","type":"link"}