NewerTech (www.newertech.com) has announced NewerTech NuPower high performance laptop batteries for the Apple MacBook Pro 17” Unibody and MacBook 13” Unibody, expanding its line-up of Apple laptop batteries of over 50 models. 

NewerTech says that NuPower batteries last up to 50% longer than factory models. They’re now available for models made from 2001 to 2014. NuPower batteries match the exact size and fit of the original factory batteries and offer full compatibility with sleep and power saving modes. NuPower batteries include all the necessary tools, installation guides, and full battery recycling info.
  
The NuPower replacement batteries for MacBook Pro 17” Unibody and MacBook 13” Unibody models are available immediately at the following prices: 

° MacBook 13” Unibody for Late 2009-mid 2010 models: US$99;

° MacBook Pro 17” Unibody for 2011 models: $109.