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 (http://www.MacSales.com) and other fine retailers.