Designed to maximize the performance of all types of handheld/headlamp devices, COAST Extreme Performance (EP) AA batteries deliver top-rated power and outperform the competition-whether you're on the worksite, at home, or on the go. Remove the stress from critical situations and simplify routine, practical situations by choosing batteries that take performance to the next level.When you choose COAST Extreme Performance batteries, you get the quality guarantee of a company that's been at it for 100 years-with products that make people's work safer and lives easier.