254. A plug indicator appears on screen while the unit is plugged into a wall outlet.It should take approximately four hours to fully recharge the battery. To maximize battery life, keepthe unit plugged in whenever possible.When the V.A.C.ULTA™ Therapy Unit is correctly plugged into the V.A.C.ULTA™ Power Supply, the battery charging indicator light onthe front of the unit (page 18) will glow amber while the battery is charging. When the battery has reached full charge the batterycharging indicator light will glow green.Therapy Unit PlacementThe V.A.C.ULTA™ Therapy Unit can be attached to an I.V. pole or the footboard of a hospital bed. If required, it can be placed on a solid,level surface where it does not cause an obstruction. The V.A.C.ULTA™ Therapy Unit should be placed where cables and tubes cannotbe caught on passing objects.Power cords and tubing may present a tripping hazard. Ensure that all cords and tubing are out ofareas where people may walk.The V.A.C.ULTA™ Therapy Unit is not to be carried or worn by an ambulatory patient. Consult yourphysician and contact KCI for V.A.C.® Therapy Units designed for ambulatory patient use. TheV.A.C.ULTA™ Therapy Unit can be placed on an I.V. pole, bed frame or wheelchair during patienttransport.Plug IndicatorBattery Charging