Safe and reliable: EXTRASTAR since 1993, specializing in battery 27 years. AA battery cell according to strict quality control standards. CE and RoHS certified. AA battery cells ensure longer battery life and long life A pack of 12 1.5 volt alkaline batteries, for reliable performance on a wide range of devices Ideal for household items, such as garage door openers, smoke detectors, radios, toys and more The improved design offers a 5-year shelf life, with no energy loss; ideal for emergencies or ready for use Shipped in certified, easy-to-open packaging; covered by 2 year EXTRASTAR warranty Note: These batteries are NOT rechargeable.