SunGoldPower | 4000W DC 12V Split Phase Pure Sine Wave Inverter With Charger

High-Efficiency Inverter for Home, RV, and Off-Grid Applications

The 4000W DC 12V Split Phase Pure Sine Wave Inverter With Charger from the LFP Series is a powerful all-in-one solution, combining a pure sine wave inverter, intelligent battery charger, and AC auto-transfer switch. Built with low-frequency technology, this inverter is designed for durability, high surge capacity, and seamless power delivery—ideal for homes, cabins, RVs, and backup power systems.

Operating with a split-phase configuration, this inverter requires a 240VAC input and provides 120VAC or 240VAC output, making it compatible with a wide range of household and industrial appliances.

Key Features:

• 4000W Low-Frequency Pure Sine Wave Inverter with Charger

• Split-Phase Output: 120V/240V AC for flexible appliance support

• DC Input: 12VDC for off-grid or mobile power setups

• Frequency Selectable: 50Hz or 60Hz via SW4 switch

• AC/Battery Priority Selector: Switch between AC power and battery priority (SW5 switch)

• Adjustable Charging Current: From 0% to 100% using a linear switch

• Auto Generator Start: Activates generator on low battery and shuts off when fully charged

• Low Idle Consumption: Energy-efficient operation

• Multi-Stage Smart Charging: Up to 120A with support for 7 battery types (charger can be disabled)

• LCD Display and Remote Control: Easy monitoring and operation

• Fast Transfer Time: ~10ms for seamless switching

Package Includes:

• 4000W 12V Low-Frequency Pure Sine Inverter

• Remote Control

• Battery Temperature Sensor (BTS) Cable

• English User Manual

Dimensions & Weight:

• • Unit Size: 17.4 x 9.5 x 7.8 inches

  • Unit Weight: 53 lbs

  • Shipping Size: 26 x 12.6 x 12.0 inches

  • Shipping Weight: 57 lbs

The SunGoldPower LFP 4000 Watt DC 12V AC 120/240 Split Phase Inverter Charger stands out as a high-quality, low-frequency power inverter designed to power your entire small home, business, RV system, trailer, or boat application. It serves as an ideal solution for off-grid systems or emergency backup power supply needs.

This split-phase inverter operates with a 240VAC input and offers flexible output options of 110/120V or 220/230/240VAC, with the capability to output 50 or 60Hz via the SW4 switch. With the ability to produce two legs of 110V, it caters perfectly to home and business applications equipped with a 220 panel.

Specifications

Inverter Output:

• Continuous Output Power: 4000W 
• Surge Rating: 12000W (20 Seconds)
• Output: AC120V and AC 240V , 60hz 
• AC Input:240V
• Output Wave: Pure Sine Wave (bypass mode)
• Typical Transfer Time: 10ms (MAX)
• Nominal Efficiency: >88%

DC Input:

• Nominal Input Voltage: 12.0Vdc
• Minimum Start Voltage: 10.0Vdc
• Low Battery Alarm: 10.5Vdc-11.0Vdc
• Low battery Trip: 10.0Vdc-10.5Vdc (select by SW1)
• High Voltage Alarm: 16.0Vdc
• Low battery Voltage Restart: 13Vdc
• Idle Consumption: 45W 
• Power Saver Mode Idle Consumption: 18W

AC Charger :

• Charger Rate: 120+/-5A
• AC input Range (Grid or Generator) : 90V-135VAC/100V-135VAC (select by SW2), 140V-270VAC/184V-253VAC (select by SW2)
• Over Charge Protection Shutdown:15.7V
• Selectable Charge Setting based on battery type
• Adjustable charge current: off 0%-100%
• 3-step intelligent battery charger

User Manual

Download LFP Series Pure Sine Wave Inverter/Charger User's Manual

FAQ

What is the idle wattage?

The idle power is 18W in saver-on mode and 45W in saver-off mode.

Can this work with Enphase microinverters on the same grid?

Unfortunately, it cannot operate with other inverters on the same grid and is not stackable.

Will the charger work on 120 volts, or does it require 24 volts?

The AC input is 240V, while the AC output is available at 120V and 240V, with a DC voltage of 12V.

Does this unit come with a warranty?

Yes, it includes a 12-month warranty, with a 30-day replacement and refund policy.

Warranty

2 Year Warranty