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

SKU LFP4K12V120VSG
Save $545.00 Save $255.00
Original price $1,275.00
Original price $1,275.00 - Original price $2,725.00
Original price $1,275.00
Current price $1,020.00
$1,020.00 - $2,180.00
Current price $1,020.00
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All-in-One Low-Frequency Power Inverter for Reliable Off-Grid Power

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The LFP Series 4000W DC 12V Pure Sine Wave Inverter With Charger combines an inverter, battery charger, and automatic transfer switch into a single integrated solution. Engineered with low-frequency design and minimal idle power consumption, it includes a Battery Temperature Sensor (BTS) and remote control for advanced monitoring and control.

Power Specifications:

  • Input Voltage: 120VAC

  • Output Voltage: 120VAC

  • Frequency Selectable: 50Hz or 60Hz via SW4

  • AC/Battery Priority Mode: Defaults to AC input but can be changed to battery priority using the SW5 switch

Intelligent Charging:

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

  • Smart Multi-Stage Charger: 120A ±5A, can be disabled if needed

  • Supports 7 Battery Types, including LiFePO4, AGM, Gel, and lead-acid batteries

Built-In Convenience:

  • Auto Generator Start (AGS): Starts your generator when battery voltage is low and stops it once the battery is fully charged

  • Fast Transfer Time: Typical 10ms for seamless backup switching

  • Low Idle Consumption: Maximizes energy efficiency

  • Wide Appliance Compatibility: Ideal for use with household and office electronics, tools, and more

Package Includes:

  • 4000W 12V Low-Frequency Pure Sine Inverter With Charger

  • English Manual

  • Remote Control

  • BTS Cable

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

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Looking for a top-quality pure sine-wave inverter and high-capacity charger? Look no further than SunGoldPower's low-frequency inverter. It combines an inverter, battery charger, and transfer switch into one comprehensive system. With a surge capacity of 300% for 20 seconds, this 12V DC to 120V AC inverter reliably supports tools and equipment for extended periods. It's a common choice for RVs, trailers, motorhomes, and truck campers, offering a reliable backup or off-grid power solution. Operating with a 120VAC input, it provides 120VAC output power for appliances and supports both 50Hz and 60Hz via the SW4 switch.

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Specifications

Inverter Output:

  • Continuous Output Power: 4000W
  • Surge Rating: 12000W (20 Seconds)
  • Output:120VAC, 60hz
  • 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 (selected 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

    Manuals and Downloads


    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.

    What type of wiring is used from the inverter to the remote?

    The package includes a compatible remote wire for this product, allowing for direct use.

    Warranty

    2 Year Warranty

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