Technical Information & Details for the MEAN WELL NPB-750-48 Charger
- Output Power: 756 W
- Output Voltage: 48 V DC (Adjustable Range 42 – 80 V DC)
- Output Current: 11.3 A
- Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
- Efficiency: up to 93%
- Ripple & Noise: ≤ 480 mVp-p
- Inrush Current: max. 80 A @ 230 V AC
- No-Load Power Consumption: < 0.15 W (Remote OFF)
- Operating Temperature: −30 °C to +70 °C
- Cooling: Temperature-controlled fan
- Protections: Short circuit, over voltage, over temperature, battery under voltage, battery reverse polarity
- Overvoltage Category: OVC II
- Isolation Voltage: 3000 V AC between input and output
- Dimensions (H x W x D): 67 mm x 158 mm x 230 mm
- Weight: approx. 1840 g
- Safety & EMC Certificates: CB, CE, UKCA, UL/EN 62368-1, EN 60335-1/-2-29
- LED Indicator: Multi-color LED status indicator
- Manufacturer Warranty: 3 years
Information about MEAN WELL NPB-750-48
The MEAN WELL NPB-750-48 represents a state-of-the-art generation of intelligent, universal battery chargers delivering a rated power output of 756 Watts, engineered specifically for demanding 48V industrial, commercial, and automation charging applications. A standout core feature of this model is its ultra-wide output voltage range of 42 to 80 V DC, enabling flexible adaptation across various system architectures and battery chemistries, including lead-acid (flooded, Gel, AGM) as well as Lithium-ion and LiFePO4 batteries. Thanks to its built-in CANBus 2.0B communication protocol, the charger seamlessly integrates into digital control networks, empowering users to monitor charging parameters in real-time, dynamically adjust voltage and current remotely, and retrieve detailed operational telemetry. Outstanding versatility is further enhanced by manual DIP switches for selecting pre-programmed 2-stage or 3-stage charging curves, alongside full custom curve programming via the optional SBP-001 programmer.
In addition to its unmatched flexibility, the NPB-750-48 excels with an impressive efficiency of up to 93% and a robust, thermally optimized chassis featuring a smart temperature-controlled cooling fan that ensures dependable performance across an extended temperature range of −30 °C to +70 °C. The device includes an innovative auto-ranging feature for automatic battery voltage detection, preventing user setup errors and maximizing overall charging safety. Comprehensive built-in safeguards—such as damage-free battery reverse polarity protection, short circuit, overvoltage, overtemperature, and battery undervoltage protection—guarantee maximum operational security during continuous heavy-duty operation. This professional power solution is completed by dual safety certifications for both industrial (EN 62368-1) and household/charger standards (EN 60335-1/-2-29), backed by a trusted 3-year manufacturer warranty.
