Improve Your Digital Camera Battery Life
Improve Your Digital Camera Battery Life
Improve Your Digital Camera Battery Life
Auto-flash and autofocus functions allow anybody to point and shoot with just about any camera. However, these crutches are battery-busters. Cutting back on your use of a camera's flash and autofocus won't just allow you to take more photos between charges, it will also make your shots more interesting. So try manually adjusting the focus (assuming your camera allows you to). And instead of using a flash, increase the camera's light sensitivity by raising the ISO setting, or adjust the exposure manually, if you can.
Still, a camera's single biggest battery-burner is its LCD screen. Framing your shots with the optical viewfinder (assuming your camera has one) can yield massive power savings. Likewise, fight the temptation to repeatedly review your shots on the screen.
Laptops
First stop: Your laptop's preprogrammed power-saving settings. These save juice by trimming down on a computer's internal activity, typically by minimizing the unnecessary use of its processor, screen and hard drive. To find these settings in Windows Vista, go to your computer's Control Panel and click Power Options, then Power Saver. For Macs, click into System Preferences and then Energy Saver. You can even create a custom setting that will save more energy by cutting power to these components after they've been idle for as little as 1 minute.
The optical drive is one of the biggest bandits. Instead of watching movies off of DVDs, watch them off your hard drive. Another culprit: external components, particularly powered USB gadgets that piggyback off your laptop's battery. If battery life is a concern, stick to a laptop's own keyboard and trackpad.
As with other gadgets, dimming a laptop's screen will save power. But you can save even more by turning the backlight off completely when it's not needed. Turn the brightness down until the backlight is completely off while you wait for idle tasks such as downloads and file conversions to complete.
You'll also want to turn off scheduled tasks and close applications that aren't in useparticularly ones that launch automatically at startup. And, as with anything with a wireless connection, kill the Wi-Fi and Bluetooth when you aren't using them.
Oddly, a battery doesn't need to be completely dead for a laptop to shut downthe computer just needs to think it's dead. Recalibrate the circuits that keep tabs on how much battery life is left by running the battery down completely and charging it back up. Do this every 30 or so charge cycles.
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