The upgraded versions of the MacBook and MacBook Air were released yesterday with improvements in many areas such as processor, graphics card, hard drive, and memory, etc. However, Apple didn't mention much about the battery life of the upgraded models, only briefly stating that the battery is more environmentally friendly. When the MacBook Air was released, Apple clearly stated that the battery life was 5 hours. So, how is the battery life of the new Macbook Pro? Below are the battery life test results for the new Apple MacBook/Pro laptops.