Critical Power Battery Solutions (CPBS) is a specialized division of Advanced Technical Services Inc. (ATS), bringing over four decades of electrical engineering expertise to the critical power industry. As a Stryten Energy authorized reseller and Leoch battery authorized distributor, we deliver reliable power solutions that keep mission-critical infrastructure operational when it matters most.

Our journey began in 1981 when our parent company, Advanced Technical Services, was founded as an electronics remanufacturing center. Over the years, ATS expanded its expertise into telecommunications, power systems, and critical infrastructure support, becoming a trusted partner for industry leaders across North America.
In response to growing demand for specialized power solutions, Critical Power Battery Solutions was established to focus exclusively on industrial battery systems for mission-critical applications. Building on ATS’s ISO-certified processes and decades of technical experience, CPBS combines deep engineering knowledge with exceptional customer service to deliver power solutions that exceed industry standards.
Our heritage in electronics repair and remanufacturing gives us a unique perspective on reliability engineering and quality assurance that directly benefits our battery customers today. This foundation of technical excellence continues to guide our approach to every project and customer relationship.

Mission: To deliver reliable, high-performance battery solutions that ensure uninterrupted operation of critical infrastructure worldwide.
We believe that reliable power is not just about selling batteries—it’s about understanding critical systems, anticipating needs, and providing comprehensive solutions that keep essential operations running smoothly.

CPBS brings specialized knowledge in industrial battery systems that goes far beyond basic product sales:
Our technical team maintains current certifications and participates in ongoing manufacturer training to ensure we provide the most accurate and up-to-date guidance for your critical power needs.
Network infrastructure managers and telecom engineers rely on CPBS for batteries that support central offices, cell sites, and remote equipment cabinets. We understand the unique challenges of telecom environments, including limited space, temperature variations, and the absolute requirement for continuous uptime.
Data center facilities directors trust our expertise for server farms, edge computing installations, and network operations centers. We provide battery solutions that ensure seamless operation during power transitions, protecting critical data and maintaining service level agreements.
Utility substation engineers depend on our battery systems for switchgear, SCADA systems, and protective relays. Our solutions ensure reliable operation of critical control systems that manage power distribution networks and protect essential infrastructure.
Solar and wind farm operators utilize our battery expertise for energy storage systems that maximize efficiency and ensure consistent power delivery. We help integrate battery storage with renewable generation for optimal system performance.
Manufacturing and process control engineers rely on our batteries for automation systems, emergency lighting, and critical process controls. We understand the harsh environments and demanding requirements of industrial settings.
When you partner with Critical Power Battery Solutions, you gain advantages that extend far beyond basic product supply:
At CPBS, we believe in Total Customer Satisfaction, a philosophy inherited from our parent company that drives every interaction and recommendation. This commitment requires that we make necessary investments in technology and personnel to deliver efficient and effective real-world solutions that enhance end-user satisfaction, profitability, and brand awareness.
We approach each customer relationship as a long-term partnership, providing ongoing support and expertise throughout the lifecycle of your battery systems. Our technical team is readily available to answer questions, troubleshoot issues, and provide guidance as your power needs evolve.
Critical Power Battery Solutions is led by Tom Kierna, a seasoned industry veteran with extensive experience in power systems, telecommunications infrastructure, and technical service management. Under Tom’s leadership, CPBS has established itself as a trusted authority in industrial battery solutions, combining technical expertise with exceptional customer service.
Connect with Tom Kierna on LinkedIn
Tom leads a team of technical specialists who bring decades of combined experience in critical power systems and industrial applications. With backgrounds spanning electrical engineering, power systems design, and field service management, our team understands the complex challenges facing today’s infrastructure managers.
As part of the larger ATS organization, CPBS leadership maintains close alignment with our parent company’s commitment to quality, service, and technical excellence, while focusing specifically on the unique requirements of industrial battery applications.
When uptime is non-negotiable and reliability is essential, Critical Power Battery Solutions delivers the expertise, products, and support you need. Our technical team is ready to assist with your specific application requirements, whether you’re planning a new installation, upgrading existing systems, or seeking emergency replacement solutions.
Critical Power Battery Solutions – A Division of Advanced Technical Services Inc.

Our operations are supported by ISO 9001-certified processes through Advanced Technical Services Inc.
(ATS), providing you with confidence in every order and continuous commitment to improvement.
Don't risk undersizing or overspending on your critical power system. Our battery sizing experts bring over four decades of experience to ensure your installation meets exact specifications for optimal performance and longevity.
Get exact calculations based on your specific load requirements and runtime needs
Benefit from specialized knowledge in telecom, data center, utility, and renewable energy applications
Avoid unnecessary expenses from oversizing or costly downtime from undersizing
Ensure your battery system meets all relevant industry standards and regulations
Plan for growth with scalable solutions that accommodate your evolving power needs
Our battery sizing experts will analyze your critical load requirements, environmental conditions, and backup duration needs to recommend the perfect solution for your application.
DELIVERABLE – IEEE 485 Battery Sizing report as well as a detailed pricing quote.