The 36V / 43.8V 8A Lithium Battery Charger is a reliable and efficient charging solution for power tools and other electronics. With a maximum output of 400W and the ability to charge one battery at a time, this charger is designed for convenience and speed. The inclusion of a cooling fan ensures that the charger operates at optimal temperatures, making it a durable and long-lasting unit. The compact size of 8″ in length, 3″ in height, and 4.5″ in width makes it easy to transport and use in various locations. The charger is backed by a 1-year manufacturer warranty for added peace of mind.