<strong>ASUS U31SD-A1</strong>

<p>A good laptop should last 5 hours on a charge. A great one will give you nearly a full workday’s worth of juice for surfing the web, checking e-mail and social networking updates. That’s why we made the cut-off for this elite group of portables 7 hours. All of these machines were able to surf the web continuously with the screen on 40 percent brightness (about the default level when you unplug a notebook) for at least that amount of time. Want to work and play all day without having to hunt for an outlet? Read on.</p> <p></p> <p><strong><br></strong></p> <p>Graphics muscle and very long battery life combine to make the 13-inch ASUS U31SD-A1 a worthwhile thin-and-light laptop.</p> <p><strong><a href="http://www.laptopmag.com/review/laptop/asus-u31sd.aspx" target="_blank">Read the Full Review</a></strong></p> <p></p>

<strong>HP Pavilion dm4t</strong>

<p></p> <p><strong><br></strong></p> <p>An aluminum body, fingerprint reader, and all-day battery life make the HP Pavilion dm4t an excellent laptop at an affordable price.</p> <p><a href="http://www.laptopmag.com/review/laptop/hp-pavilion-dm4t-2011.aspx" target="_blank">Read the Full Review</a></p> <p></p>

<strong>Sony VAIO Z</strong>

<p></p> <p></p> <p>The VAIO Z offers unparalleled speed and portability along with a first-of-its kind dock that adds discrete graphics--if you're willing to pay the price.</p> <p><a href="http://www.laptopmag.com/review/laptops/sony-vaio-z-2011.aspx" target="_blank">Read the Full Review</a></p> <p></p>

<strong>Sony VAIO S</strong>

<p></p> <p></p> <p>The Sony VAIO S' impressive performance, light weight, and powerful graphics make it a solid contender in the ultraportable laptop category.</p> <p><a href="http://www.laptopmag.com/review/laptops/sony-vaio-s-vpcsa290x.aspx" target="_blank">Read the Full Review</a></p> <p></p>

<strong>Alienware M11x R3</strong>

<p></p> <p></p> <p>A second-generation Core i5 processor and beefier graphics make the Alienware M11x R3 one powerful gaming ultraportable.</p> <p><a href="http://www.laptopmag.com/review/laptop/alienware-m11x-r3.aspx" target="_blank">Read the Full Review</a></p> <p></p>

<strong>Lenovo ThinkPad X1 </strong>

<p></p> <p></p> <p>Thanks to its fast performance, superior keyboard, ultra-bright display, and much-improved audio quality, the ThinkPad X1 is the best all-around business ultraportable.</p> <p><a href="http://www.laptopmag.com/review/laptops/lenovo-thinkpad-x1.aspx" target="_blank">Read the Full Review</a></p> <p></p>

<strong>Lenovo ThinkPad X220</strong>

<p></p> <p></p> <p>A fast Core i5 processor, well-designed clickpad, and epic endurance help the 12-inch Lenovo ThinkPad X220 rise to the top.</p> <p><a href="http://www.laptopmag.com/review/laptops/lenovo-thinkpad-x220.aspx" target="_blank">Read the Full Review</a></p> <p></p>

<strong>Lenovo ThinkPad T420</strong>

<p></p> <p></p> <p>A 14-inch powerhouse, the Lenovo ThinkPad T420 delivers all-day endurance at an affordable price.</p> <p><a href="http://www.laptopmag.com/review/laptops/lenovo-thinkpad-t420.aspx" target="_blank">Read the Full Review</a></p> <p></p>

<strong>Dell Inspiron 17R (9-cell)</strong>

<p></p> <p></p> <p>The Dell Inspiron 17R delivers strong graphics performance and audio for a good price, along with fun switchable lids.</p> <p><a href="http://www.laptopmag.com/review/laptops/dell-inspiron-17r.aspx" target="_blank">Read the Full Review</a></p> <p><em>This story was provided by <a href="http://www.laptopmag.com/" target="_blank">Laptopmag.com</a>, a sister site to TechNewsDaily.</em></p>

Best Battery Life: Laptops That Last 7+ Hours