The Printronix PrintCart is the next generation mobile workstation for demanding wireless printing and business applications. The innovative three-mode self-defending controller automatically balances business needs with optimal power system performance. There are no controls to operate. On connection to line power the cart automatically switches equipment to AC power while simultaneously charging the battery. The PrintCart offers maximum readiness with a power system that is replaceable in less than 10 minutes and off-the-shelf power cords that are user replaceable in under a minute without tools. The PrintCart also accepts a wide range of locally available battery sizes and terminal styles.