Careers at Excell Battery Co.

Join Our Engineering & Manufacturing Team

Shape the Future of Custom Lithium Battery Engineering

Excell Battery Co. is an established leader in the engineering, design, and precision manufacturing of mission-critical battery solutions. For over 40 years, our North American engineering team has delivered high-performance lithium battery systems powering extreme-environment applications in Oil & Gas (MWD/LWD), Medical Devices, Industrial Instrumentation, Utility Metering, Environmental Monitoring, and Defense.

As a core division of Ultralife Corporation, we combine the technical agility and focus of a specialized engineering center with the robust resources and global reach of an international power technology leader. We cultivate a stable, innovative, and growth-oriented work environment for professionals dedicated to safety, quality, and engineering excellence.

Current Career Opportunities

Production Assembler

Houston, TX

Responsible for the precision assembly of high-reliability lithium battery packs adhering to ISO 9001 and strict safety standards. Requires proficiency in spot welding, intricate wiring harness integration, battery management system (BMS) fitment, and post-assembly quality verification testing for industrial and hazardous environment applications.

Full-Time · On-Site Operations

Engineering Test Technician

Surrey, BC

Perform comprehensive electrical, thermal, environmental, and lifecycle testing on custom rechargeable lithium-ion battery assemblies and Criterion Smart BMS hardware. Work directly alongside design engineers to validate UN 38.3 transport standards, document performance metrics, and optimize pack reliability prior to mass production.

Full-Time · R&D Lab

Sales Manager – USA Region

USA Field Operations

Drive strategic technical business development across key OEM accounts in medical devices, industrial computing, robotics, and oilfield instrumentation. Interface between client engineering teams and internal battery designers to evaluate power requirements, deliver tailored design proposals, and manage key client relationships.

Full-Time · Remote / Technical Sales

Why Work With Excell Battery Co.?

Technical Leadership

Engage with high-temperature lithium chemistries, advanced Smart BMS circuitry, and hazardous location certifications (ATEX/HAZLOC).

ISO 9001 Quality Culture

Our commitment to quality assurance ensures safety, reliability, and continuous process improvement across all manufacturing plants.

Long-Term Stability

Backed by Ultralife Corporation, we offer competitive benefits, career progression, and global supply chain support.

Interested in Joining Our Team?

Connect with our talent acquisition and engineering team to discuss career opportunities or submit your resume for future consideration.

Contact Us