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The longest-lasting Mac notebook battery ever.

The battery in the new 17-inch MacBook Pro lasts up to 8 hours on a single charge¹ and can be recharged up to 1000 times² — compared with only 200 to 300 times for typical notebooks. To do this, Apple engineers custom-designed lithium-polymer cells to create the largest possible battery, then they went even further: They built the battery right into the computer, eliminating the space-consuming mechanisms and housings that standard removable batteries require. The result is a battery that’s 40 percent bigger than the previous generation and offers up to 8 hours of wireless productivity on a single charge — all in a notebook that’s less than an inch thin, weighs just 6.6 pounds,³ and remains the same price as the previous-generation model. more