Extra Battery - 12" PowerBook

Extra Battery - 12" PowerBook

$116.00

2.5 out of 5 stars

Based on 252 reviews

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Product Information

Buy an extra battery to double your battery life when traveling.

The Apple Rechargeable Battery for 12-inch Aluminum PowerBook G4 is a 50-watt-hour lithium ion battery that provides up to 5 hours of operation depending on battery saving features used and system configuration.

Ratings & Reviews

Rating Breakdown (2.5 average)
Number of stars Percentage Number of reviews
  • Great battery (and don't forget to calibrate)

    5.0 out of 5 stars

    On "Better Battery Life" I routinely get close to five hours of battery life (while using it)!

    New Apple batteries, those inclu On "Better Battery Life" I routinely get close to five hours of battery life (while using it)!

    New Apple batteries, those included with a machine and those bought separately, arrive partially charged and need to be calibrated. This procedure provides a baseline for the processor built into the battery, so the processor can effectively regulate power consumption. To calibrate your battery, first plug in the laptop and charge the battery to 100 percent capacity; the light at the end of the Apple-supplied power cable will go from orange to green when the battery is fully charged. Next, unplug the power adapter and let the battery run down. The machine will put itself to sleep and refuse to wake up. Plug the adapter in again and fully recharge the battery. (You can use the laptop as you normally would during the calibration process.) You need to calibrate the battery only once. Source: Laptop Battery Smarts, Mobile Mac

    • Written by from Schertz

    1058 of 1354 people found this useful

    Was this useful? Great battery (and don't forget to calibrate)
  • Another dirty little secret

    1.0 out of 5 stars

    This battery has a very short life and at $129 is a heist. It never lasted even 3 hours and now that I've installed Tiger I'm luc This battery has a very short life and at $129 is a heist. It never lasted even 3 hours and now that I've installed Tiger I'm lucky to get 30 minutes. The discussion boards show that this is a widespread problem. Apple has some explaining to do.

    • Written by from Woodstock

    896 of 1201 people found this useful

    Was this useful? Another dirty little secret
  • Not true

    2.0 out of 5 stars

    I was lucky to get 3.5 hours out of this battery when it was brand new. A year or so later and I get a half an hour tops.

    • Written by from San Francisco

    775 of 1053 people found this useful

    Was this useful? Not true
  • Not a good buy

    1.0 out of 5 stars

    Zero Stars. My replacement battery is 1.5 yrs old. Starting from 100% charge and running only Mail and Firefox I only get 20 min Zero Stars. My replacement battery is 1.5 yrs old. Starting from 100% charge and running only Mail and Firefox I only get 20 mins. of battery time. Stinks!

    • Written by from Chicago

    18 of 27 people found this useful

    Was this useful? Not a good buy
  • Expensive but better than the competition

    3.0 out of 5 stars

    Realistically, you are probably going to get 5 hours at the most with this battery. That said, stick with the original. I bought a Realistically, you are probably going to get 5 hours at the most with this battery. That said, stick with the original. I bought a replacement battery for around $30 online. I thought I was getting a great deal. Three months later, the battery quickly developed gaps so I would get sudden shutdowns...those can easlily corrupt OSX and prevent startup. Also, It won't charge beyond 4%, and it's plastic spray painted to look like metal. Go with Apple.

    • Written by from West New York

    25 of 28 people found this useful

    Was this useful? Expensive but better than the competition
  • Apple's $129.00 replacement battery for PowerBook, IS NOT! to specks.

    1.0 out of 5 stars

    After receiving my replacement battery, I started to notice that the battery's life was not as long as the one that came with orig After receiving my replacement battery, I started to notice that the battery's life was not as long as the one that came with originally. Since I only used my PowerBook only once or twice a week, I thought that I needed to recondition it. But I've realized that since I first bought the unit I've been using for the same amount of days.

    At least, now I know that I'm not the only one with the problem. Is apple doing anything to fix this problem???

    • Written by from Winter Springs

    63 of 79 people found this useful

    Was this useful? Apple's $129.00 replacement battery for PowerBook, IS NOT! to specks.

Questions & Answers

Answers from the community

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