Laptop computers run off of batteries so its possible to transport them with you anywhere and help them anytime. The challenge is their batteries is usually expensive. If you work towards laptop computers exclusively this can get to be costly. However, there are some steps to more than quadruple the relationship of your Dell Latitude D500 variety. Tips & Warnings * Store your laptop from a cool place. Heat saps the notebook compters batteries like the sun's light does yours. * Use hibernation mode in place of sleep mode whenever feasible. * Disable an active screen saver and choose dark screen mode. * For anybody who is running directly on wall membrane power, be sure to stay work backed up, work on a surge protector all of the time and remember to put the battery last before disconnecting! Firstly CHEAPER SCREEN BRIGHTNESS. The biggest power sucker with your laptop computers? You gained it--the screen. In darker rooms smaller the brightness setting for your display. Laptop computers use considerably less energy at lower degrees of brightness. Set your preferences for you to dim your screen automatically when on battery. Secondly EJECT CD'S AND EVEN DVD'SIf you leave discs in your own drive it will on occasion spin and read it to keep them available. That takes juice you should not use. Thirdly TREAT YOUR NOTEBOOK COMPTERS LIKE DESKTOPS. When you could be stationary at your office environment, your desk, or your household your laptop computers can operate very much like desktop--without a battery. Simply plug in your own laptop and remove ones own Dell Latitude D500 electric battery. This will radically enhance the life of your mixture. Lastly LIMIT PROGRAM USAGE. Laptop computers work harder the better programs are open all at once. If you have ten open programs consequently they are only using two you may as well be throwing cash outside the window. Only keep programs wide open on laptop computers you happen to be using... especially when living off battery. Here you can get more laptop battery information right from http: //www. papatek. com: HORSEPOWER 441425-001 battery(Voltage: 10. 8V; Power: 47Wh (Compatible with 43Wh in addition to more) )Dell Latitude D510 battery(Voltage: 11. 1V; Power: 4400mAh )HP 432306-001 battery(Voltage: 10. 8V; Power: 47Wh (Compatible with 43Wh in addition to more))Apple A1022 battery(Voltage: 10. 8V; Power: 4400mAh)