NewerTech and OWC intro highest capacity battery ever for Apple PowerBook G4 15-inch

Other World Computing (OWC) and Newer Technology, Inc. (NewerTech) have rounded out their complete line of PowerBook replacement batteries by today introducing the highest capacity battery every made available for Apple’s PowerBook G4 15-inch Aluminum models.

Engineered with revolutionary cells just released on the market and not available through any other manufacturer in units of this capacity and quality, the newest addition to the NewerTech NuPower Lithium-Ion battery family are rated at 55.5 watt hours providing almost 16% more run time capacity than Apple factory-shipped batteries.

All NuPower batteries are designed, engineered, and manufactured in the United States of America using only the world’s top quality Lithium-Ion cells from Japan and Canada to ensure both longer runtime and lifespan.

“NuPower batteries are a total win-win-win,” said Larry O’Connor, CEO of OWC in the press release. “More run time between charges sets you free, the longer life span of NewerTech NuPower batteries provides both economical benefits as well as those for the environment”

The new 55.5 Watt Hour PowerBook G4 Aluminum 15-inch batteries retail for only $139.99 and come with a one-year NewerTech warranty. A 53.3 Watt Hour model also is available for $129.99. These batteries are compatible with all of Apple’s PowerBook G4 Aluminum 15-inch models from 1.0GHz and up to the current 1.67GHz.

NewerTech’s full line of NuPower high capacity battery replacements for Apple PowerBook G3 & G4, iBook G3 & G4, and iPod models can be purchased through Other World Computing ( and other fine retailers.

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  1. I ordered the one they had before this latest model, I’m not happy with my Newertech battery. It arrived with part of the bottom coming off, it was made very flimsy, and now the bottom paint is rubbing off. The battery life itself was not great, I measured it using the various OS X battery apps and it was always below average. I might have just gotten a bad one but still, I’m so disappointed. I didn’t return it because I’m not from the U.S. and it would cost to much to ship/re-ship.

  2. Don’t get me wrong, I’ve bought a number of things (hard drive’s & memory) from Other World Computing (OWC) by clicking on the ad from this web site and I’m a very happy customer.
    But MDN should include a disclaimer that OWC is a regular advertiser on this site whenever they post a story about them. Especially if it’s their own story! It is good journalistic practice.

  3. They make 16% sound like a giant leap. But what does that equal in uptime if you’re an unlucky 3D/Video op on the road…8mins+ ? I’d say bring on a battery that can handle dem nuclear c.rods as rechargers. We would have uptimes closer to a hundred years – and a great aftermarket price as well. I guess the heat generated wouldn’t differ too much compared to todays machines tho.

  4. I’ve bought tons of stuff from OWC over the years, but the PB laptop battery was a dissappointment. It’s rated for 4800mAH, and having cycled it 19x since October, and followed all of their instructions, I’ve never gotten above 4680mAH. The average I’ve gotten is about 4100mAH. A BIG dissappointment.

  5. I bought a replacement battery for my Apple laptop about a month ago from and it works great. Is there any reason to think that a replacement Apple laptop battery would be any less reliable than the manufacturers? My concern is the laptop battery fire risk; would this be a risk with a replacement battery?

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