Custom Power
Appliances, Electrical, and Electronics ManufacturingCalifornia, United States51-200 Employees
Custom Power designs and manufactures battery packs for harsh and demanding environments, offering both standard off-the-shelf solutions and customized builds. The company operates production facilities across the United States and Europe, applying advanced engineering processes and equipment to deliver primary and secondary power systems. Its products are used in critical medical, aerospace, defense, energy, and industrial applications, integrating diverse cell chemistries with sophisticated control electronics and purpose-built enclosures. The organization maintains certifications including ISO 9001:2015, ISO 14001, ISO 45001 and AS9100, along with RoHS compliance and ITAR registration. Headquartered in Fountain Valley, California, Custom Power operates as a global supplier with a footprint in the United States and Europe. Its customer base comprises sectors that require reliable energy storage solutions for mission-critical systems. In 2025, the company announced a partnership with Volklec Limited to deliver a sovereign end-to-end energy solution for the UK defense sector.
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