The Harmar Pinnacle SL300 sets the standard for compact stairlifts. Featuring an innovative symmetrical design, solid performance and incredible reliability, the SL300 remains the industry’s most sought-after stairlift. A patented drive system with efficient motor and battery provides up to 40 trips during a power outage. With patented Pinnacle technology, you can count on clean operation every time, with no grease or lubrication required.