The NPB-240-24TB is a 240W battery charger designed for lead-acid and li-ion batteries. It provides a nominal 28.8V boost charge voltage and an 8A output current, with a wide adjustable voltage range of 21V to 30.4V and an adjustable current range from 4A to 8A. Key features include a fanless design for silent operation, selectable 2 or 3 stage charging via a DIP switch, and a universal AC input from 90 to 264V. With a wide operating temperature range and comprehensive protections, it is suitable for applications such as electric scooters, specialty vehicles, and surveillance systems.