Stair & Bathtub Lift Batteries

Browse our full range of replacement VRLA (Valve Regulated Lead Acid) AGM batteries for stairlifts and bath lifts. We stock batteries compatible with all major UK brands including Stannah, Acorn Stairlifts, Brooks, Handicare, Bison Bede, Aquatec, and Mangar.

Stairlifts are powered by 2 x 12V VRLA AGM batteries wired in series, providing a 24V DC supply to the motor. This design means your stairlift will continue to operate during a power cut, as the batteries charge continuously from the mains whenever the lift is parked at a charging point. Most straight and curved stairlifts use 2 x 12V 7Ah batteries, with some long-rail or heavy-duty models requiring 2 x 12V 12Ah. Bath lifts typically use a smaller single 12V 3.4Ah sealed battery to power the raising and lowering mechanism.

Please note: Before placing your order, always check the dimensions and full specification of your existing battery. This includes the voltage, amp hour (Ah) rating, physical size (length, width and height), and terminal type. Specifications can vary between production runs and model years. If you are unsure, remove your battery and check the label, or contact us for guidance before ordering.