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This retail version of Dell's Mini 10 Netbook, called the iM1012-687OBK, has a great battery, but chances are it's sitting on a shelf right next to a less expensive Netbook with a bigger hard drive.
Battery life: 459 minutes
Read our review.
The basic-as-it-gets MSI Wind U160-007US is a leader in battery life, but shouldn't cost $80 more than comparable systems.
Battery life: 438 minutes
The Acer Aspire One 532h-2326 is just as good for basic tasks as Netbooks costing $100 more, making it a solid sub-$300 option.
Battery life: 429 minutes
Anyone looking for the power of a midsize laptop in a compact 12-inch body has only a few choices, and none to date tops Lenovo's excellent ThinkPad X201.
Battery life: 412 minutes
Apple slightly revamps its basic MacBook with improvements under the hood, but keeps the design and price the same, which makes the new MacBook tough to beat as a back-to-school laptop.
Battery life: 387 minutes
The new 13-inch MacBook Pro uses a faster version of last year's processor, but a graphics chip upgrade and better battery life give it more value for the same price.
Battery life: 360 minutes
Toshiba's lightweight and affordable thin-and-light T135 series shaves another hundred off its price by switching to an AMD Neo processor in the T135D-S1324, while offering only slightly diminished performance.
Battery life: 359 minutes
Apple's 15-inch MacBook Pro keeps the same look and feel, but offers major internal changes, including an optional Intel Core i7 CPU, making it a very serious portable powerhouse.
Battery life: 356 minutes
As a thin 15-inch laptop packing a lower-voltage Core 2 Duo processor, the Gateway EC5809u sacrifices performance for battery life at a decent price--but you could do even better.
Battery life: 343 minutes
The excellent-performing HP Pavilion dv4-2165dx has a long battery life for the money, but it'll cost you some portability.
Battery life: 334 minutes
While the Toshiba Satellite A505-6025 has a rock-solid combination of computing power, graphics, and battery life, its price and bulk may be hard to swallow.
Battery life: 268 minutes
Although the Asus K60IJ-RBLX05 is an affordable 16-inch budget laptop, it's missing the processing punch and features that can be had for just a little more money.
Battery life: 205 minutes
People who would rather have a big screen instead of great battery life will be happy with the HP dv7-3165dx.
Battery life: 178 minutes