4000W DC 48V Split Phase Pure Sine Wave Inverter With Charger UL1741 Standard

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Product Highlight

• ★ This LFP Series Pure Sine Wave Inverter is a combination of an inverter, battery charger and AC auto-transfer switch. Low frequency, low Idle Current, BTS cable, remote control. It is UL1741 standard.

• ★ The split-phase 4000 watts inverter requires 240VAC input and can provide 120VAC or 240VAC output power for all kinds of appliances, and it can output 50 or 60Hz via the SW4.

• ★ AC/Battery Priority: Our inverter is designed with AC priority by default, you can choose the battery priority by SW5 switch.

• ★ Adjustable Charging Current: The max charge current can be adjusted from 0%-100% via a liner switch. 

• ★ Auto Gen Start: The battery power inverters can start up a generator when battery voltage goes low, and turn the generator off after battery charging is finished.

Specification

Main Features

*4000W Low Frequency Pure Sine Inverter With Charger.
*AC/Battery Priority Selector.
*Automatic Generator Start.
*Safety and Convenient.
*The low frequency inverter can power all kinds of appliances.
*LCD Display, Remote Control.
*Low Idle Consumption.
*9 battery type settings for charger.
*Multi Stage Smart charger 40+/-5A, charger can be disable.
*10msec typical transfer time.

Inverter Output

*Continuous Output Power: 4000W
*Surge Rating: 12000W (20 Seconds)
*AC Output: AC 120V and AC 240V
*AC Input: 240V
*Output Wave: Pure Sine Wave (bypass mode)
*Typical Transfer Time: 10ms (MAX)
*Nominal Efficiency: >88%

DC Input

*Nominal Input Voltage: 48.0Vdc
*Minimum Start Voltage: 40.0Vdc
*Low Battery Alarm: 42.0Vdc-44.0Vdc
*Low battery Trip: 40.0Vdc-42.0Vdc (select by SW1)
*High Voltage Alarm: 64.0Vdc
*Low battery Voltage Restart: 52Vdc
*Idle Consumption: 48W
*Power Saver Mode Idle Consumption: 19W

AC Charger 

*Charger Rate: 40+/-5A
*AC input Range (Grid or Generator): 140V-270VAC/184V-253VAC (select by SW2)
*Over Charge Protection Shutdown:62.8V
*Selectable Charge Setting based on battery type
*Adjustable charge current: off 0%-100%
*3-step intelligent battery charger

Product Guide

4000W DC 48V Split Phase Pure Sine Wave Inverter With Charger UL1741 Standard

What Our Experts Think

• Reliable High Power: Provides 4,000W continuous output, ideal for medium-sized off-grid or backup systems.
• Split-Phase Functionality: Offers 120V/240V output, perfect for powering standard appliances and heavy-duty equipment.
• Pure Sine Wave Technology: Delivers clean, stable power, protecting sensitive electronics and ensuring efficient energy use.
• 48V DC System: Optimized for larger battery setups, enhancing energy storage and solar system efficiency.
• UL1741 Certified: Meets stringent safety and reliability standards for worry-free operation.
• Integrated Charger: Combines inverter and battery charging for seamless energy management.
• Built-In Protections: Features safeguards against overload, over-voltage, and short circuits for reliable, long-lasting performance.

Q&A

Q: What is the 4000W DC 48V Split Phase Pure Sine Wave Inverter with Charger (UL1741 Standard)?
A: A 4000W pure sine wave inverter with split-phase 120V/240V output and an integrated charger, certified to UL1741 standards for safety and grid compliance, ideal for 48V solar and battery systems.

Q: What are its key features?
A:

• 4000W continuous pure sine wave output
• Split-phase 120V/240V for powering a variety of appliances
• Compatible with 48V battery systems
• Integrated charger for efficient battery recharging
• UL1741-certified for safety and grid-tied applications
• Built-in protections: overload, overheat, short circuit, and overcharge

Q: What applications is it ideal for?
A: Suitable for off-grid solar systems, backup power, and grid-tied setups, supporting both 120V and 240V appliances.

Q: Can it power high-demand devices?
A: Yes, its split-phase design supports heavy loads such as HVAC systems, refrigerators, and power tools.

Q: Is it safe for sensitive electronics?
A: Yes, the pure sine wave output ensures stable operation for sensitive devices like laptops, TVs, and medical equipment.

Q: Is it compliant with safety standards?
A: Yes, it meets the UL1741 certification for reliability and compliance in grid-tied applications

Maintenance Tips

• Cooling System: Clean fans and vents regularly to maintain proper airflow and prevent overheating.
• Battery Maintenance: Check battery connections, voltage levels, and charge cycles frequently.
• Wiring Inspection: Tighten and inspect all cables for damage, corrosion, or loose connections.
• Environment: Install in a dry, well-ventilated, and dust-free location to ensure optimal performance.
• Performance Monitoring: Use system monitoring tools to track input/output voltage and troubleshoot anomalies.
• Firmware Updates: Update firmware periodically to ensure compatibility with UL1741 standards.
• Power Down for Maintenance: Safely disconnect all power sources, including batteries, before servicing.