Chrome Battery has a huge inventory of programmable logic controller batteries, also known as an PLC battery. Chrome Battery PLC Battery B9670AB for Allen Bradley ControlLogix Logix 5550 are for programmable controllers that digital computers use for automation of the electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures. PLCs are used in many industries and machines. Unlike general-purpose computers, the PLC is designed for multiple inputs and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact. Programs to control machine operation are typically stored in battery-backed-up or non-volatile memory. We offer the longest life-cycle product on the market. This plc controller design allows for the most powerful, highest amp hour capacity. All Chrome Battery batteries are manufactured with the highest quality materials and rigorously tested to ensure safety, OEM compatibility, effectiveness and optimal performance. Top notch Customer Service and Satisfaction is our top priority at Chrome Battery. Affordable Pricing. 18 month Warranty. Midwest location in the heart of America (Indiana). Chrome Battery strives to provide every customer with an exceptional buying experience and top quality batteries at unbeatable prices. Thank you for choosing Chrome Battery for your battery purchase; your business is greatly appreciated.