Custom Battery Solutions Provider

Innovative Battery Solutions for 40+ Years

A North American Base With Global Manufacturing and Supply

Onshore your supply chain or expand internationally. With manufacturing facilities in Vancouver, Calgary, Toronto and Houston, we have a North American advantage. Through Ultralife Corporation, we also have a global reach to support our customers' geographical goals.

Supply Chain

Battery Solutions

We offer the full lifecycle of developing a custom battery solution including system application, engineering, design, manufacturing, and recycling.

Battery Solutions

Criterion Smart Batteries

We have a complete line of industry-leading battery monitoring systems and SBS compliant safety circuits for rechargeable batteries.

Criterion Home

Why Excell?

Made in North America with a global reach

Made in North America with a global reach, Excell Battery includes 4 geographically dispersed factories located across North America which offer rapid innovation and expansion as needed. Each factory employs an agile team of skilled workers and engineers that are able to share digital information across locations. Additionally, our relationship with Ultralife provides us with the global reach and the financial backing of an established company. Excell Battery can deliver product even during times of localized disruptions to supply.

Smart & Sustainable

Excell Battery understands our customers' operational, regulatory, and environmental requirements and will design batteries that take these factors into account.

Quality & Reliability

Batteries manufactured by Excell Battery are designed to perform their proper function while maintaining its quality over their expected life.

Charge Up Your Battery Design

Learn about our process Speak with a battery specialist

Technical Resources

Reducing Battery Waste in Downhole Drilling: A Case Study

Published on Apr 22, 2025 in Battery, Resource

Ensuring Safe Transit: Understanding UN 38.3 Battery Testing

Published on Apr 22, 2025 in Resource

Cell and Cell Provider Considerations for OEMs

Published on Dec 30, 2024 in Battery, Resource

New EU Rules Revamp Battery Safety, Recycling, and More (EU Regulation 2023/1542)

Published on Jul 8, 2024 in Resource

Downhole Battery Data Analysis With Criterion 4: Q&A with Bob Fay, Regional Manager, Houston, Excell Battery

Published on May 31, 2024 in Resource

The North American Edge in Supply and Product Development Chains

Published on Mar 18, 2024 in Resource

Battery Bob: Your Battery Questions Answered in This Q&A Series

Published on Mar 18, 2024 in Resource

Downhole Battery Training

Published on Feb 29, 2024 in Resource

Criterion Battery Setup in 3 Simple Steps

Published on Nov 16, 2023 in Resource

Battery Management Systems: Designing for Safe and Reliable Medical Devices

Published on Aug 30, 2023 in Resource

New Lithium Battery Regulations – The Aftermath of Recent Fires

Published on Jun 2, 2023 in News, Resource

The Next-Generation of Intelligent Battery Packs (WEBINAR)

Published on Mar 21, 2023 in Resource

Intelligent Battery Applications – Design Checklist

Published on Mar 14, 2023 in Resource

A Quick Introduction to HAZLOC and ATEX Requirements

Published on Dec 6, 2022 in Resource

The World's Most Advanced
Battery Monitoring

We designed our hardware and software from the ground up to meet the needs of our clients. The goal of our software was to produce a clean and intuitive interface that allows the user to access and manipulate their data effortlessly. Our hardware was built to be the most reliable, repeatable and accurate battery monitor on the market.

Criterion4 Home