Scott Muellers Upgrading and Repairing Laptops, Second Edition

This chapter covers power for portable systems. Normally laptop or portable systems have options for several sources of power, including AC (alternating current; found in the wall sockets of most buildings ), power sockets in automobiles and airplanes, and several types of batteries. This chapter examines all the power sources found in a modern portable system and also focuses on power management for portables.