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Apple to improve battery life by increasing cell density

An Apple patent uncovered on Thursday describes new technology Apple is experimenting with in an effort to increase the battery life in its device lines. The patent filing, entitled Increasing Energy Density in Rechargeable Lithium Battery Cells, describes a unique multi-pronged approach to the problem of poor battery life in consumer electronics. Apple is investigating the use of a new “multi-step constant-current constant-voltage (CC-CV) charging technique,” which would increase the volumetric and gravimetric energy density of energy-storing material within a battery. According to the filing, this would increase the capacity of a battery without impacting battery size or charge time. Relative to competitive products, Apple’s mobile device and laptop lines are often praised for exhibiting impressive battery life. There can never be enough time in between charges, however, and as more features and better displays are added to future devices, manufacturers will always struggle to ensure battery life is not overly degraded as a result.


Zach Epstein

Zach Epstein has been the Executive Editor at BGR for more than 10 years. He manages BGR’s editorial team and ensures that best practices are adhered to. He also oversees the Ecommerce team and directs the daily flow of all content.

Zach first joined BGR in 2007 as a Staff Writer covering business, technology, and entertainment. His work has been quoted by countless top news organizations, and he was recently named one of the world's top 10 “power mobile influencers” by Forbes. Prior to BGR, Zach worked as an executive in marketing and business development with two private telcos.