• Output Power: 120 W
• Output Voltage (Default): 28.8V (Boost) / 27.6V (Float)
• Voltage Adjustable Range (VR): 21V – 30.4V DC
• Output Current: 4 A (adjustable 2 – 4 A)
• Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
• Efficiency: 91.5%
• Power Factor (PFC): PF > 0.98 / 115 VAC, PF > 0.92 / 230 VAC
• No Load Power Consumption: < 0.15 W (with AC switch off)
• Operating Temperature: −30°C to +70°C
• Cooling: Fanless design via free air convection
• Protection Functions: Short circuit, Over voltage, Over temperature, Battery reverse polarity
• Charger Type: Selectable 2 or 3 stage via DIP S.W
• Output Connector: Terminal Block (TB Type)
• Dimensions (L x W x H): 182.7 mm x 96 mm x 49 mm
• Weight: 1.3 kg
• Safety & EMC Certificates: CB, DEKRA, UL, EAC, CE, UKCA (EN62368-1/EN60335-1/2-29)
• LED Indicator: Status LED for charging (Red: Charging / Green: Full)
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL NPB-120-24TB

The MEAN WELL NPB-120-24TB is a high-performance 24V battery charger engineered for superior reliability in lead-acid and lithium-ion battery management. Its industrial-grade terminal block interface ensures a secure electrical connection, making it the ideal choice for stationary power backups, heavy-duty specialty vehicles, and surveillance systems. One of its most significant unique characteristics is the advanced fanless cooling system, which allows for 100% silent operation and high resistance against environmental contaminants by removing the need for internal airflow. This model features extreme flexibility with its user-selectable 2 or 3-stage charging curves, allowing technicians to switch charging modes instantly to accommodate various battery chemistries like LiFePO4, AGM, or Flooded types. Furthermore, the wide adjustable range for output voltage and charging current (50% to 100%) via onboard potentiometers ensures the charger can be perfectly matched to specific battery manufacturer data sheets. With safety at its core, the NPB-120-24TB includes built-in battery reverse polarity protection and carries world-class certifications for both information technology and household appliance safety standards.