This battery charger is perfect for those who need to charge their AA or AAA batteries. It is a mains charger that is compatible with both battery sizes and is ideal for use at home or on the go. The charger is designed for use with rechargeable batteries and will automatically stop charging once the battery is full. It is a reliable and efficient charger that will ensure your batteries are always fully charged and ready for use. Whether you need to charge your batteries for your home or office, this charger is an excellent choice. With its compatibility with AA and AAA batteries, it is a versatile charger that can be used with a wide range of devices.