From the Manufacturer
The Rayovac Ultra Pro Alkaline 9V Batteries are the smart choice for your battery powered devices because they last as long as other leading brands, but cost less. These top-performing 9V batteries have been specifically designed for use in portable digital electronics ideal for the modern lifestyle. From smoke detectors, flashlights and cordless phones to handheld video games, Rayovac Alkaline batteries provide long-lasting power for a lot less money.
Rayovac Ultra Pro Batteries. Whether you need shrink packaging (great for contract or bid business) or contractor packaging to help organize and protect batteries from damage and short circuiting, Rayovac has a program to fit your needs. Rayovac is a trusted brand of Spectrum Brands Holdings, Inc., a top manufacturer of consumer batteries in the United States and Latin America.