Thus, portable batting average 90 minutes, 1.5 hours, what if you are going to be working for a longer time period. Or what about this scenario, you've had your laptop with you during an afternoon session (battery operated), after passing through the cafeteria to finish some things and realize that only has 20 minutes of battery life. Or worse, out of its power supply laptop at work or at home! I've done this many times from the house late for work or get home, what a pain!
Well, not just think you have to make do with what you have, ie the internal laptop computer battery and supply of feed manufacturers. You have other options which will not only make your laptop last longer in power distance, but provide mobile power capacity and other devices. Enter the source for laptop external battery. The external laptop battery can be used as a universal portable power source that provides power to many different laptop models, as well as other mobile devices.
Battery technology has come a long way. Just look what they are doing with the lithium batteries in cars and cell phones! Now you have an alternative energy source for laptop that can last up to 10 hours! Now, with that said, some of these external laptop batteries can be heavy (1 to 3 pounds), but some of the most expensive can be very light. Obviously you will not get more than 10 hours of battery life without any compensation. The price of these batteries is between $ 100 to over $ 500. Someone should be able to find a suitable replacement for the internal battery power around any budget.