Battery-powered patient lift can be easily and quickly charged from an AC (alternating current) outlet. 450-lb weight capacity. Boom height ranges from 27-1/2 to 76 inches. Base width (when open) is 41 inches. Jumbo actuator pump with emergency button can switch to manual mode so operator can lower patient down safely. Audible warning when battery power falls below 50%. The charge light will automatically shut off when battery is fully charged. Foldable mast and base for easy storage and transportation.