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Martronics - Welcome to OSI Batteries

Charlie Stinson has retired as of December 31, 2016 and extends a Thank You to Martronics customers for many years of loyalty.

Martronics would like to introduce their sister company, OSI Batteries, from back in the days of Alexander Batteries to service their customers going forward.

OSI BATTERIES is located in a suburb of Minneapolis, MN and has been in the business for over 40 years. We are committed to providing the quality of customer service you are used to as well as a wide variety of products to suit your needs.

Please look at our easy to navigate website at your convenience or contact us with any questions:
(800)626-4173 Monday-Friday 8-6 CST or [email protected]

We look forward to working to become the ONE SOURCE for all your replacement battery needs.