The Importance of Backup Batteries in Stairlifts
, by Richard Spafford, 5 min reading time
The Importance of Backup Batteries in Stairlifts
Stairlifts are essential mobility aids for individuals with limited mobility, providing safe and reliable access to different levels of a home. A critical component of modern stairlifts is their backup battery system, which ensures functionality and safety, particularly during power outages. Below, we explore why backup batteries are vital for stairlifts and how they contribute to user independence and peace of mind.
Ensuring Operation During Power Outages
One of the primary reasons backup batteries are crucial in stairlifts is their ability to keep the lift operational during a power outage. Most stairlifts are battery-powered, using two 12-volt sealed lead-acid (SLA) or valve-regulated lead-acid (VRLA) batteries wired in series to power a 24-volt DC motor. These batteries are continuously charged via a household electrical outlet when the stairlift is parked at a charging station, typically located at the top or bottom of the stairs. In the event of a power failure, the charged batteries allow the stairlift to function, enabling users to move between floors without being stranded. Depending on the model and usage, a fully charged stairlift battery can provide approximately 8–10 trips up and down the stairs during an outage, ensuring mobility in emergencies.
Enhancing Safety and Accessibility
Backup batteries are a key safety feature for stairlift users, particularly for those who rely on the device daily due to mobility challenges. Without a battery backup, a power outage could leave users unable to navigate stairs, potentially restricting them to one floor of their home or, worse, leaving them stuck mid-journey. This is especially critical in emergencies, such as during severe weather or medical situations, where access to different levels of the home may be necessary. The battery backup ensures uninterrupted service, reducing the risk of accidents or distress and maintaining accessibility for users with disabilities or mobility limitations.
Supporting Consistent and Reliable Performance
Stairlift batteries provide a consistent power supply, resulting in smoother and quieter operation compared to AC-powered systems. The battery-powered design eliminates the need for direct mains electricity during travel, reducing the risk of electrical faults and enhancing overall reliability. The batteries are designed to handle the high amperage demands of stairlifts, often using absorbent glass mat (AGM) technology for faster charging and durability in varying temperatures. This reliability is crucial for users who depend on their stairlift for daily activities, ensuring the device is always ready for use when properly maintained.
Prolonging Battery Life and Maintenance Tips
While stairlift batteries typically last 3–5 years, their lifespan depends on factors such as frequency of use, stair length, user weight, and environmental conditions. To maximize battery life and ensure the backup system remains effective, consider the following maintenance tips:
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Keep the Stairlift Plugged In: Always leave the stairlift connected to the power outlet and switched on to maintain a trickle charge. Unplugging or turning off the stairlift can drain the batteries and shorten their lifespan.
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Run the Stairlift Regularly: Operate the stairlift a few times a week, even if not needed daily, to cycle the batteries through charging and discharging. This prevents battery degradation, especially during extended periods of inactivity, such as vacations.
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Schedule Annual Maintenance: Have a professional technician perform annual service checks, including load testing the batteries to assess their condition and stability. This can prevent unexpected failures and ensure timely replacements.
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Replace Batteries Proactively: If you use your stairlift daily, replace the batteries every 3 years to avoid breakdowns. Always replace both batteries simultaneously, even if only one tests as faulty, to maintain balanced performance and avoid additional service costs.
Professional replacement by a certified technician is recommended, as stairlift batteries store significant power and can be hazardous if mishandled. Technicians also ensure proper disposal of old batteries, which often contain lead-acid or lithium-ion materials that require safe recycling.
Considerations for Heavy Usage or Specific Models
The lifespan of stairlift batteries varies based on usage patterns. For example, a stairlift used for one round trip daily (two cycles) may last over 4 years, while three or more round trips daily can reduce battery life to 1.5 years or less. Heavy-duty stairlifts or those installed on longer staircases, such as Stannah model 260 on stairs over 12 meters, may require higher-capacity batteries (e.g., 12v 12Ah instead of 7.4Ah) to meet power demands. Users with high usage or specific stairlift models should consult with a technician to ensure the appropriate battery type and maintenance schedule.
Cost and Warranty Considerations
Replacing stairlift batteries typically costs around £100 for standard models, though bespoke designs (e.g., Acorn/Bison 180 or Handicare 1100) may be more expensive. Many stairlifts come with a one-year battery warranty and extended warranties for the motor, providing cost savings for early replacements. Always purchase high-performance, compatible batteries from reputable suppliers to avoid voiding warranties and ensure safety.
Conclusion
Backup batteries are indispensable for stairlifts, offering safety, reliability, and independence by ensuring operation during power outages and supporting consistent performance. By understanding their importance and following proper maintenance practices, users can extend battery life and avoid disruptions. Regular professional servicing and timely battery replacements are key to keeping your stairlift in top condition, providing peace of mind and uninterrupted mobility for years to come.
For more information or to schedule a stairlift service, contact a certified stairlift provider or technician to ensure your device remains safe and reliable.