Professional Battery Solutions

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OSI Is Your One Source In Batteries

Trusted industry leader

Factory Direct Distributor

Quality Product Manufacturing

Dedicated Account Management

Business to business sales and support

Custom quotes and quantity pricing


OSI Batteries is a factory-direct distributor of specialty batteries, chargers, and related products from top manufacturers in the industry. OSI has stood out from the competition for over 48 years by delivering professional battery solutions to businesses, medical organizations, and government agencies who rely on battery power to get their jobs done. We also develop and sell our own brand of quality aftermarket replacement batteries for two-way radios, UPS systems, emergency lighting, PLCs, barcode scanners, utility meters, and much more. OSI is your One Source in Batteries. We can help power your day, because we know batteries.