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4000W Split-Phase Inverter Charger + 5.12kWh LiFePO₄ Battery Bundle (12V or 24V Options) - King of Generators
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
by SunGold Power

4000W Split-Phase Inverter Charger + 5.12kWh LiFePO₄ Battery Bundle (12V or 24V Options)

Sale Sale
$1,300.00
$1,300.00 - $2,750.00
$1,300.00
$1,199.00
$1,199.00 - $2,499.00
$1,199.00
SKU LFP4K12V240VSP

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Description

4000W Split-Phase Pure Sine Wave Inverter Charger

Available in 12V or 24V | Standalone or Battery Bundles

Power demanding 120V and 240V appliances with confidence using the 4000W split-phase pure sine wave inverter charger. Designed for off-grid, RV, marine, workshop, and backup power applications, this all-in-one unit combines a high-efficiency inverter, intelligent battery charger, and automatic transfer switch into a single, reliable solution.

With true split-phase output (120/240V), this inverter is capable of running everything from household appliances and power tools to pumps, compressors, and RV systems—while delivering clean, stable power safe for sensitive electronics.

Key Features

  • 4000W continuous output with up to 12,000W surge capacity

  • Split-phase 120/240V AC output

  • Pure sine wave power for sensitive electronics

  • Built-in AC battery charger (grid or generator input)

  • Automatic transfer switch for seamless power switching

  • Adjustable charging current (0–100%)

  • AC or battery priority selectable

  • Auto generator start capability

  • Compatible with LiFePO₄, AGM, and lead-acid batteries

  • Remote monitoring support (BTS cable & remote included)

Ideal For

  • Off-grid homes & cabins

  • RVs, vans, and trailers

  • Workshops & job sites

  • Marine applications

  • Emergency backup power

 



Available Options

Standalone Inverter Options

4000W 24V Split-Phase Inverter Charger

Ideal for higher-efficiency systems, longer cable runs, and reduced DC current draw—commonly used in cabins, off-grid homes, and workshops.

4000W 12V Split-Phase Inverter Charger

Best suited for RVs, trailers, marine systems, and existing 12V battery banks where simplicity and compatibility are key.

Battery Bundle Options (5.12kWh Total Storage)

4000W 24V Inverter + 2 × LFP24-100Ah LiFePO₄ Batteries (5.12kWh)

A balanced, high-efficiency power system designed for off-grid living, backup power, and daily cycling with reduced current losses.

4000W 12V Inverter + 2 × LFP12-200Ah LiFePO₄ Batteries (5.12kWh)

A powerful 12V solution for RVs and mobile systems requiring high surge capability and dependable lithium storage.

Each bundle includes matched batteries engineered for long cycle life, fast charging, and safe, stable performance.

Need Help Choosing?

Not sure whether 12V or 24V is right for your setup? Contact our team for system sizing and compatibility guidance before ordering.

 

 

Specifications

Specification 4000W 12V Model 4000W 24V Model
Inverter Type Low Frequency Pure Sine Wave Low Frequency Pure Sine Wave
Continuous Output Power 4000W 4000W
Surge Capacity 12,000W (20 seconds) 12,000W (20 seconds)
AC Output Voltage 120V / 240V (Split Phase) 120V / 240V (Split Phase)
AC Input Voltage 240V 240V
Output Waveform Pure Sine Wave (Bypass Mode) Pure Sine Wave (Bypass Mode)
Transfer Time ≤10ms ≤10ms
Nominal Efficiency >88% >88%

 

Specification 12V Model 24V Model
Nominal DC Input Voltage 12.0V DC 24.0V DC
Minimum Start Voltage 10.0V DC 20.0V DC
Low Battery Alarm 10.5V – 11.0V DC 21.0V – 22.0V DC
Low Battery Cut-Off 10.0V – 10.5V DC (SW1) 20.0V – 21.0V DC (SW1)
High Voltage Alarm 16.0V DC 32.0V DC
Low Battery Restart Voltage 13.0V DC 26.0V DC
Idle Consumption 45W 48W
Power Saver Idle Consumption 18W 19W

 

Specification 12V Model 24V Model
Charge Rate 120A ±5A 50A ±5A
AC Input Range (Grid / Generator) 140–270V AC / 184–253V AC 140–270V AC / 184–253V AC
Overcharge Protection Shutdown 15.7V 31.4V
Charge Profiles 9 Battery Types 9 Battery Types
Charge Current Adjustment 0–100% or OFF 0–100% or OFF
Charging Method 3-Stage Intelligent Charger 3-Stage Intelligent Charger

 

Specification 12V Model 24V Model
Unit Weight 58.9 lb 55 lb
Unit Dimensions (L×W×H) 25.6 × 9.1 × 7.5 in 22 × 9.1 × 7.5 in
Shipping Weight 67.9 lb 64 lb
Shipping Dimensions 30.3 × 13.4 × 12.8 in 27 × 13.4 × 13 in
Included Accessories Remote, BTS Cable, Manual Remote, BTS Cable, Manual

 

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Quick Buyer Tip 

Choose 12V if you’re running RVs, trailers, or existing 12V battery banks.
Choose 24V for higher efficiency, reduced current draw, and off-grid home or cabin systems.

 

What's in the Box?

Standalone Inverter (12V or 24V)

  • 4000W Split-Phase Pure Sine Wave Inverter Charger
    (12V or 24V model, as selected)

  • Remote Control for system monitoring and operation

  • Battery Temperature Sensor (BTS) Cable

  • English User Manual

Battery Bundle Options

4000W 24V Inverter + Battery Bundle

  • 4000W 24V Split-Phase Pure Sine Wave Inverter Charger

  • 2 × 24V 100Ah LiFePO₄ Batteries (5.12kWh total capacity)

  • Remote Control

  • Battery Temperature Sensor (BTS) Cable

  • English User Manual

4000W 12V Inverter + Battery Bundle

  • 4000W 12V Split-Phase Pure Sine Wave Inverter Charger

  • 2 × 12V 200Ah LiFePO₄ Batteries (5.12kWh total capacity)

  • Remote Control

  • Battery Temperature Sensor (BTS) Cable

  • English User Manual

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