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At OSI, we know batteries.

Our focus on replacement bio-medical batteries dates back to the first medical replacement battery manufacture. We've been selling bio-medical batteries ever since. OSI proudly stocks Unipower brand medical batteries, products, and accessories, along with a variety of other major manufacturers. Our commitment to quality is guaranteed. Let us help you power your day.

Click the Bio-Medical Devices link below to get started, check out featured manufacturers, shop our other categories, or schedule your battery review today!

Medical Applications

Unipower batteries

Bio-medical devices


Interested in a battery review?

In addition to providing medical battery solutions, OSI also sells batteries for a wide range of other applications. We can develop a comprehensive assessment for all the operational needs of your business. Contact us to speak with our battery sales experts for a complete review of all your battery needs, create custom quotes, and provide quantity pricing.

Featured Manufacturers

OSI Is Your One Source In Batteries