The Bosch AL 3640 CV Battery Charger is a powerful and efficient tool designed for charging Li-Ion batteries with a voltage range of 18V-36V and an output of 4A. Known for its reliability and durability, Bosch is a trusted brand in the industry, making this charger a top choice for professionals and enthusiasts alike. With its sleek design and solid construction, this charger is perfect for keeping your power tools powered up and ready to go whenever you need them.