MEAN WELL NPB-1200/1700 Intelligent Battery Chargers feature 1200W and 1700W rated wattage and a built-in MCU. These units provide a wide voltage range, multi-purpose design, flexible functions, intelligence, safety, and durability. The series includes output voltages of 12V (10.5V to 21V), 24V (21V to 42V), and 48V (42V to 80V) and reverse polarity protection. The modules can be used for a wide range of batteries, no need to purchase multiple chargers. MEAN WELL NPB-1200/1700 Intelligent Battery Chargers offer patented auto-ranging battery detection technology for Li-ion batteries with a battery management system (BMS). This technology automatically adjusts charging voltage settings depending on the battery voltage. These universal NPB-1200/1700 chargers are suitable for charging systems used for E-bikes, E-scooters, specialty vehicles, robotic lawnmowers, recreation crafts, surveillance systems, and much more.