Rayovac 8158T03 AA High Energy Alkaline Batteries are designed to deliver reliable power for a variety of everyday electronic devices. Each pack contains eight silver and blue AA batteries, utilizing alkaline (zinc-manganese dioxide) chemistry and offering dependable performance and long storage life. 1.5 volt alkaline AA batteries with no mercury added 10-year shelf life at standard room temperature 2,700mAh typical capacity per battery These batteries are a practical choice for powering common household electronics and are well-suited for both home and workplace use.