W James McKeefery

Title: W James McKeefery: Innovator in Battery Charging Technology

Introduction

W James McKeefery is a notable inventor based in Milpitas, California. He has made significant contributions to the field of battery technology, particularly in the development of charging systems that enhance safety and efficiency.

Latest Patents

McKeefery holds a patent for a "Rechargeable battery pack charging system with redundant safety systems." This innovative system includes a method and apparatus for charging rechargeable battery packs while ensuring safety through redundant systems. The battery charger features a temperature sensor at the negative charging terminal, which determines the charge condition of the battery pack and controls the charging current. Additionally, a microcontroller manages the charging process, utilizing either a fast charge current or a trickle charge current. The design incorporates independent safety systems to ensure safe operation, even if the microcontroller fails. The rechargeable battery pack is designed with openings that allow direct contact with the positive and negative poles of the end batteries, improving temperature sensing.

Career Highlights

McKeefery is associated with Shoot the Moon Products, LLC, where he continues to innovate in battery technology. His work focuses on enhancing the safety and efficiency of battery charging systems, which are crucial in various applications.

Collaborations

He has collaborated with notable colleagues, including David B Small and Brian D Farley, contributing to advancements in their respective fields.

Conclusion

W James McKeefery's contributions to battery charging technology exemplify his commitment to innovation and safety. His patented systems reflect a deep understanding of the challenges in battery management and a dedication to improving user experience.