SHARP Mobilon HC-4600 Handheld PC, Windows CE 2.0 w/Stylus & Power Cord;  Used Condition; Powers On ( w/ Power Cord Plugged In ), Stylus Working, Color Touch Screen; Let the photos be the judge; Battery backup low or missing ???; NOT familiar with this at all but any questions, please ask and I will do my best; As-Is; As Pictured; Please Review Photos.