Professional Battery Solutions

Leader in Batteries

A full line replacement battery company for over 40 years, OSI Batteries is truly your ONE SOURCE for all your replacement battery needs. We have thousands of replacement batteries for almost any kind of equipment. We support all types of businesses and government agencies in communications, industrial and medical industries. OSI Batteries is a factory direct authorized distributor and value add center for the industry's top manufacturers, including Enersys. We also operate our own in house battery assembly division capable of production orders large and small.

Leader in Service

Our customer service team has years of experience finding the right battery solution for you. Servicing an extensive customer base from military and public safety departments, to schools, hospitals and everyday people, OSI is ready to help you with your battery purchases. Whether it is an OEM replacement battery, an aftermarket battery, or a custom battery, our team delivers personalized one-on-one customer service and battery advice. We stand behind every order and ordering is easy and convenient either by phone, by email, or by the web.

Battery Buying Made Easy!


Our experienced and diverse staff provides our customers with extensive knowledge in all aspects of the battery business. From battery assembly knowledge to battery market experience, working with OSI ensures you receive a comprehensive battery buying experience.


Easily find and order a variety of competitively priced products either through our online battery search tool, or by simply contacting our staff.


OSI prides itself in providing a reliable, stress-free battery buying experience by ensuring we carry only the highest quality products. We provide fast and accurate delivery along with great warranties to keep our customers at ease when making their purchases.

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