Introducing the Energizer Accu Recharge Universal Battery Charger, the perfect solution for charging all 5 sizes of batteries. This mains charger is designed to work with a variety of batteries, including 4 batteries (or 2 x 9v). The unit type is a single unit, and the brand is Energizer. Ideal for use in multipurpose batteries and power, sound and vision devices, this charger is a must-have for any household or office. With its sleek design and advanced charging technology, it is highly efficient and reliable. Simply insert your batteries and the charger will automatically detect the size and type of batteries, making it easy to charge them up quickly and effortlessly.