The gadgets you love don't always love you back—at least when it comes to battery life. But you can get more from your laptop, your iPod, your phone, and other devices with these 10 techniques.
Let's see the techniques :
Recalibrate a laptop battery to regain life
Make your system smarter about power
Get long-term battery life
Stash your gadgets out of your pockets
Extend your not-so-hot iPhone life<
Watch movies from hard drives, not DVDs
Turn off your digital camera's screen
Get serious rechargeable batteries (and a charger)
Keep your iPod "held" and updated
Turn C batteries into Ds with quarters
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