Power managementWhen you need to use your computer away from electrical outlets, you depend on battery power to keepyour computer running. Different computer components consume power at different rates. The more youuse the power-intensive components, the faster you consume battery power.Do more, save more and spend more time unplugged with ThinkPad batteries. Mobility has revolutionizedbusiness by allowing you to take your work where ever you go. With ThinkPad batteries, you will be able towork longer without being tied to an electrical outlet.Checking battery statusThe Power Manager Battery Gauge in the task tray displays the percentage of battery power remaining.The rate at which you use battery power will determine how long you can use the battery of your computerbetween charges. Because each computer user has different habits and needs, it is difficult to predict howlong a battery charge will last. There are two main factors:• How much energy is stored in the battery when you begin to work.• The way you use your computer: how often you access the hard disk drive or the solid state drive, howbright you make the computer display.Using the ac power adapterThe power to run your computer can come either from the lithium-ion (Li-ion) battery pack provided with it,or from ac power through the ac power adapter. While you use ac power, the battery charges automatically.The ac power adapter that comes with your computer has two basic components:1. The transformer pack that converts ac power adapter for use with the computer.2. The power cord that plugs into the ac outlet and into the transformer pack.Attention: Using an improper power cord could cause severe damage to your computer.To use the ac power adapter, do the following. Be sure to take these steps in the order in which they aregiven here.1. Connect the ac power adapter to the power jack of the computer.2. Connect the power cord to the transformer pack.3. Plug the power cord into an electrical outlet.You can check the status of your battery at any time by looking at the battery meter at the bottom of yourdisplay.Notes:• When the ac power adapter is not in use, disconnect it from the electrical outlet.• Do not bind the power cord tightly around the ac power transformer pack when it is connected to thetransformer.• You can charge the battery when the ac power adapter is connected to the computer and the battery isinstalled. You need to charge it in any of the following conditions:– When you purchase a new battery.– If the battery status indicator starts blinking.– If the battery has not been used for a long time.44 User Guide
