Description Duracell Quantum Alkaline batteries give you a one-of-a-kind Quantum Leap in Power. It’s the only battery with Hi-Density Core technology featuring power boosters. And with the exclusive PowerCheck feature you can instantly check the power level so you can trust it to work when you need it the most. Duracell Quantum: the World’s #1 Most Advanced Alkaline battery.* Since Duracell is the #1 trusted brand, you can count on these batteries in devices such as flashlights, remote control toys, video game controllers and more. Plus, with Duralock Power Preserve Technology you get a 10-year guarantee (5-year guarantee for 9V) in storage for a battery that gives you peace of mind and long lasting power. Duracell Quantum batteries are now available in AA, AAA, C, D and 9V. *Based on Hi-Density Core and PowerCheck. Duracell is the #1 Trusted Brand, guaranteed for 10 years (5 years for 9V) in storage with Duralock Power Preserve Technology, guaranteed to protect your device from damaging leaks* *Should your device be damaged due to a battery defect, when used as directed, we will repair or replace your device See Duracell.com/guarantee https://www.duracell.com/en-us/technology/battery-care-use-and-disposal/ for details The World’s #1 Most Advanced Alkaline battery* *(Based on Hi-Density Core and PowerCheck) Caution: may explode or leak, and cause burn injury, if recharged, disposed of in fire, mixed with a different battery type, inserted backwards or disassembled Replace all used batteries at the same time Keep in original package until ready to use