11/10/2023 0 Comments Do acorn stairlifts buy back![]() ![]() There are many reasons stairlift batteries can go bad including age, transformer problems, power supply issues, contacts, wiring, circuit board problems, motor issues, and more. Why Only A Professional Technician Should Check & Change Your Stairlift Batteries When batteries drop below a certain voltage, or an internal cell becomes unstable we have seen malfunctions with software causing multiple error codes. Pro Tip: It is possible for a digital display to show the batteries as good or charged when in fact they are bad. This voltage should be verified, the circuit inspected and the wiring checked for correct grounding or shorting issues. This transformer needs to supply continuous voltage to charge the batteries. Stair lift batteries are charged with an external power supply and transformer that can range from 15vac to 33dc depending on the manufacturer. It’s likely the second battery is close behind and replacing it at the same time can save you money on a second service call.Īlso with service, the charging circuit should be checked for the correct voltage from the wall outlet to the rail contacts and the mainboard. In some cases, only one battery will test as bad however both should be replaced. A service tech will have this device to verify the battery level and cell stability before replacing it. The proper method for testing stairlift batteries is with a load tester. If you rely on your stairlift and find yourself using it daily, we recommend having the batteries changed at a MINIMUM of every three years to prevent breakdowns. This will vary depending on the amount of use, length of stairs, load on the system, and age of the lift. On average the battery life for a chairlift will range from 3-5 years. The batteries in your lift are SLA (Sealed Lead Acid) and most use AGM (Absorbed Glass Mat) technology for the higher amperage demand needed by stairlifts. Stairlifts are battery-powered and operate off two internal 12 DC batteries wired in series to run a 24-volt DC motor.
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