About 17 Macbook Pro Battery

FastMac's TruePower 17" Macbook Pro Battery offer a runtime that is nearly the same

as Apple's own battery and good looks, but it's considerably less expensive.

The only cosmetic difference between Apple's battery and the FastMac battery is that the underside of the FastMac model is plastic, as opposed to metal, and it has FastMac's information. The battery seems to be identical to Apple's after it has been installed. The aluminum exterior is the same as the Macbook Pro, and the battery has the same style of LED gauge that Apple uses to tell how much charge there is left. The button to activate that gauge ids identical, but it feels somewhat different. As opposed to Apple's soft touch it has more of a hard click to it.

TruePower is the circuitry inside of the battery. It uses an integrated circuit and sensors to prevent an overload or short circuiting which can result in swelling of the individual cells. While Apple has recalled the 15" Macbook Pro batteries with that particular problem, it can happen to this battery as well.

This problem usually won't happen with the Apple battery for over a year. There is no indication that it won't happen with the FastMac battery, but the TruePower information says that it won't.

FastMac refers to the 17" Macbook Pro battery as an extended life, high capacity battery that sounds like the battery will last longer than the Apple battery but it won't. While some of FastMac's replacement batteries for the Macbook Pro will hold considerably more charge than Apple's standard batteries, this isn't one of them.

Tests of the TruePower battery show that it will hold 6669 milliamp hours (mAh) of charge, as compared to 6800 for a new Apple battery. That's a fairly small amount of difference in runtime.

Therefore, if you're replacing a battery that you've had since your Macbook Pro was new and you've had it for any amount of time, the chances are that you'll see an increase in runtime, but only because you're trading an old battery for a new one since batteries lose their charge capacity as they get older. If you compare FastMac's TruePower battery to a new Apple replacement that you'd purchase at an Apple Store, you won't see much of a difference either way.

In the end, what makes FastMac's 17" Macbook Pro battery worth considering is what it costs. It is less expensive than what Apple charges, and it works just as well.

by: James Keyes

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