• 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: Anderson Power Pole (AD1 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-120-24AD1

The MEAN WELL NPB-120-24AD1 is a high-performance 24V charging solution engineered for superior reliability and universal battery chemistry support. Featuring a quick-connect Anderson Power Pole (AD1) interface, this model is the ideal choice for field operations, ham radio setups, and specialty electric vehicles that require a secure yet easily detachable power connection. Its fanless mechanical architecture ensures 100% silent operation and prevents internal contamination, making it perfect for noise-sensitive or harsh environments. A key unique characteristic is the user-selectable 2-stage or 3-stage charging curve, which can be toggled via a physical DIP switch to provide optimized cycles for either modern Lithium-ion (LiFePO4) or traditional Lead-acid (AGM/Gel) batteries. The unit further empowers users with on-board potentiometers to adjust charging voltage and current (50% to 100% range), ensuring a perfect match for various battery capacities from 13Ah to 45Ah. With safety features like built-in battery reverse polarity protection and dual certification for industrial and household standards, the NPB-120-24AD1 represents a professional-grade investment in battery longevity and system safety.