When you buy a new laptop computer or a new laptop battery, notebook battery is full of at least to a power and then let go, then every few months to do the same again. This will reset the assessment battery charge state of the digital circuit, so that it is not in the battery is not full when ordered to stop charging. Each reset once the circuit, the charge capacity of the battery can be improved by several percentage points. Then arrange your schedule. If today you will use the Acer Iconia Tab A500 laptop battery, charge it fully beforehand. If you don't require to it, that is in the electricity consumed more than half will be removed from the notebook computer battery. ( of course, this means that if a sudden power you can't pass the batteries to emergency. Therefore, if you use the computer can not cut off, or your colleagues restless leg always there will be the danger of breaking your power line, perhaps you on this kind of practice is not interested. ) Notebook computer batteries in put and do not have to be maintained approximately 40% power; if the full power, they're a fire hazard, but if the battery in electric entirely discharged, the next may be acting as not entering an electricity. The laptop battery and computer separately stored for a simple reason : the computer will be fever. If a battery is too high, it will automatically discharge, if things go on like this, the battery standby time of fall. Tests conducted by Cadex display, this case notebook computer battery life of only 12 to 18 months. So the laptop battery is best kept in room temperature storage, Replacement Battery . It is suggested that the battery is kept in the fridge ( though not in the freezer ), but I don't think it necessary to such extreme hot weather, just don't put the batteries in the car on the line. If you need a battery for notebook computer power supply, there are several save electricity method. You should not be in their own run out of computer and also let the working out of state. Use the Windows operating system of the computer is " standby" and " sleep" mode. The computer is in standby mode the Dell Latitude XT3 laptop battery standby time of up to more than 50 hours. The computer is in standby mode when the display and hard drive off, the computer in all open files and programs are stored in the memory. Once the boot so computer can work quickly to restore the original state, if you go from one room to another room to work, the best in the transfer process so that the computer is in standby mode. Computer in sleep mode will be frozen, when you re-open the computer, it will return to work before you shutdown condition; the laptop battery in the computer under the dormant standby time of 6 months. Turn off the computer - you do not need to function. The use of Wi-Fi function ( WiFi ), Bluetooth function (Bluetooth ), DVD drive and hard disk will need power, when you do not use these functions and devices at best will be closed. Some of the new market of computer so you can easily achieve this point. In fact, open the computer control panel you can finish this work. Windows XP operating system as an example, it has power options, click the option you can temporarily without display and hard drive time to turn it off.as much as possible to reduce the brightness of the computer screen. Liquid crystal display very power. Not to waste Asus UX21 laptop battery power to be of no great importance things. Don't rely on battery power in the case of computer drawing, listen to music and watch DVD. Of course, when you go out to carry a power adapter is also useful. If the journey unexpectedly found it play it feels even better, some with car adapter built-in cigar lighter device connected. If your battery standby time is not long enough, and you don't mind the extra weight, bite the bullet and buy a spare Toshiba PA5076U-1BRS laptop battery.