One 12-pack of D batteries Long-lasting mercury free alkaline formula with a 7 year freshness guarantee Reclosable packaging designed for convenient battery storage; keeps batteries contained and organized Made in the U.S.A. Rayovac Ultra Pro is the #1 selling industrial battery based on top industrial distributors 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.
I tried to use a mag light that didn't work and when I opened it up, I found the batteries had corroded dreadfully. It took treating with mild soda water to remove the batteries at which point, I found that I had damaged the reflector in the process. The batteries were Rayovac Dec 2016.A second mag light worked but I could only remove one battery due to corrosion. Again Rayovac Dec 2016. Their warranty requires sending the original packaging and the original receip..