The oraimo AAA Dry Cell Batteries come in a pack of 10, offering reliable and long-lasting power for a range of devices, including remotes, flashlights, smoke detectors, and toys. With a service output of 20 ohms and a discharge time of over 18 hours, these batteries are designed to meet your everyday needs efficiently. They feature an anti-leak and anti-corrosion design with an air and liquid-tight seal to ensure the power remains intact until needed. Additionally, oraimo batteries are environmentally friendly, being mercury-free. Please note that these batteries are not rechargeable and are intended for single-use applications.