Custom Battery Pack
Design & Manufacturing

Oil & Gas Solutions

For 35 years Excell has supplied custom battery packs for downhole oilfield applications. We have developed an industry first in battery monitoring: Criterion III.

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Custom Battery Packs

Excell Battery company has been the trusted power designer for industries as varied as medical, industrial, handheld and motive.

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Custom Battery Pack Manfacturer

Lithium Ion & Lithium Primary Custom Battery Pack Manufacturer

Lithium Ion has the highest power density of any rechargeable battery chemistry. It is very light weight and offers great cycle life which makes it the ideal product for many new design solutions. We have extensive expertise in the design, manfacturing and assembly of Li-Ion and Li-Primary custom battery packs.

lithium ion custom battery packs

Criterion III

The World's Most Advanced Battery Monitoring

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Custom Battery Pack Manfacturer High Temperature Battery Packs

Why Excell?

Experience & Knowledge

Our laser focus on the battery and charger markets in North America provide us with a knowledge base that is world class.

Reliable Service

Our teams are based in North America so we can service your business needs in a timely, clear, and understandable approach.


We pride ourselves on building long-term relationships of trust and value where becoming a partner is not just a slogan.

ISO 9001

ISO 9001 Certification

Exceptional record of quality and service for over 30 years and ISO 9001 certification ensure that your battery packs are made right every time.

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