How to Save Power on a Laptop(2)
6.Unplug any USB devices you are not using (iPods, Flash Drives, External USB mice, etc.). Many of these devices draw power from your USB port, up to 500 mA (about a half an Amp) and 5 volts. It adds up quickly depending on how many you have plugged in.
7.When you are not going to use your laptop for a short time, put it into standby or sleep mode. This will only leave dire essential components in the computer running such as the memory. And allow you to resume working on your computer quickly.
8.When you are not going to be using your laptop for a even longer time, put it into hibernate(Shift+Standby Button) mode. It will have the same effect as turning the computer off, but it will allow you to go back to working on your laptop just like in standby and uses little to no power from the battery.
Tips
1.You can always buy extra batteries for your computer!
2.The best way, though not effective for travel, is to use your power cord.
the article source:http://www.wikihow.com/Save-Power-on-a-Laptop
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