Service45+ Years in Business
ServiceQuality Products
ServiceCourteous & Attentive Service
Covid-19 Update:

OSI Batteries is open for business and committed to meeting our customer's needs. We are currently experiencing heavy order volume and some orders may experience a 2-3 day delay in processing time. We have implemented a minimum product order value of $25 so that we can better manage this increase in order volume.

We are prioritizing orders for the healthcare industry and emergency responders.

Bio-Medical Batteries

OSI Batteries is your One Source for high quality replacement Bio-Medical Batteries.  We have an extensive listing of batteries for almost any Bio-Medical device including defibrillators, monitors, infusion pumps, x-rays, and much more. 

Medical batteries are sorted alphabetically by manufacturer. Please select a letter to get started.