When comfortably sitting in your office, battery life is not an issue. When taking a 20 minute ride in a tax, you’re also not too worried about battery life. However, when you’re going to be away from a wall socket for one hour, two hours, three hours – you start to really think about when you can get “juiced” again.
Part of ensuring you have enough power is to plan your day. Know when you’ll be in a place like a library or coffee shop that has an electrical socket you can plug into.
Know where on the train is a socket available for the use of passengers.
IDG writes When you’re on the road, you can significantly conserve battery power by dimming your laptop screen’s brightness. Make sure there are no CDs or DVDs sitting in your optical drive, and don’t connect any USB peripherals–all power hogs. Turn off Bluetooth, Wi-Fi, and 3G networking (you have to do that in flight anyhow).
Also, tweak your laptop’s power settings to conserve your battery. For example, in Windows Vista, go to Control Panel, Power Options and select the “Power saver” setting You can adjust the “Power saver” settings, if you want, or create your own power plan. Read the full power saving article here.
I’ve found that many of the new notebook computers come with powerful energy saving features that computers of two or three years didn’t have. For example, many of the settings will automatically dim your monitor for you when you’re running on battery power.
The “adjust power properties” option of my Lenovo 3000 N100, which is about 3 years old, is much different and has less options than the Dell, HP and Thinkpad computers I test a few months ago.
Remember that you could also consider using the mini-notebooks, or netbooks on the market. These mini marvels use less energy and last longer.
Read more about netbooks here.
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