SD alkaline AA batteries are standard size single-use cells designed to power a wide range of household and office devices. They are commonly installed in remote controls, wireless mice and keyboards, toys, clocks, radios and small portable electronics. Alkaline chemistry provides consistent voltage during typical use; however, performance depends on device drain and usage patterns. Store in original packaging until needed, avoid mixing old and new batteries or different chemistries, and do not attempt to recharge non-rechargeable alkaline batteries. Dispose of used batteries according to local regulations and recycle where facilities exist. Keep batteries out of reach of children and seek medical attention if swallowed.