Other World Computing and Newer Technology, Inc. are proud to round 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.

The batteries are compatible with all of Apple's PowerBook G4 Aluminum 15-inch models from 1.0GHz and up to the current 1.67GHz.