The Energizer® Industrial alkaline AA battery ensures you have the power when you need it without regular battery replacement. These industrial batteries are long-lasting and designed for devices with high power usage such as flashlights, medical devices, portable tools and handheld items. Also, they're mercury-free - making them even more environmentally friendly. They're also capable of surviving up to 10 years in storage, so stock up with this 24 pack to make sure you always have them on hand at home or on the job.