SunGold Power 4000W 12V Pure Sine Low Frequency Inverter Charger – 120V Single Phase

The SunGold Power 4000W 12V Low Frequency Inverter Charger is a versatile off-grid power solution designed for RVs, trailers, motorhomes, cabins, and small homes. It combines a pure sine inverter, 120A battery charger, and transfer switch into one complete system.

Unlike split-phase models, this inverter provides 120V single-phase AC output only, making it perfect for U.S. appliances, tools, and sensitive electronics. With a 3x surge capacity (12,000W for 20s), it reliably supports demanding loads such as refrigerators, pumps, and power tools.

Key Features

• All-in-one unit – inverter, charger, and transfer switch

• Single-phase 120V AC output – optimized for RVs, trailers, and cabins

• 4000W continuous / 12,000W surge (20s) – supports heavy loads with ease

• Built-in 120A AC charger – with 9 selectable battery charging profiles

• Supports LiFePO₄, lithium, AGM, gel, flooded, and custom 12V battery banks

• GFCI socket for added safety

• LCD display + remote control included

• Low idle consumption – 18W (saver-on) / 45W (saver-off)

• Fast transfer time (~10ms) – seamless backup power transition

• Automatic Generator Start (AGS) ready

Specifications

• Continuous Power: 4000W

• Surge Rating: 12,000W (20s)

• Battery Voltage: 12V DC

• AC Output Voltage: 120V single-phase

• AC Input Voltage: 120V

• Efficiency: >88%

• Charger Current: 120 ±5A

• Idle Consumption: 18W (saver-on) / 45W (saver-off)

• Unit Size: 25.6 × 9.1 × 7.5 in

• Weight: 62.2 lbs (71 lbs shipping)

What’s Included

• SunGold Power 4000W 12V Low Frequency Inverter Charger

• Remote Control + remote wire

• Battery Temperature Sensor (BTS)

• English Manual

Warranty

• 12–36 month limited warranty (depending on model line)

• 30-day return policy — Sungold covers shipping if defective, damaged, or incorrect

• Limited to the original purchaser; excludes misuse or unauthorized modifications

FAQ

What’s the idle wattage?
18W (saver-on) / 45W (saver-off).

What type of remote wire does it use?
The correct remote wire is included in the package.

Is this split-phase?
No – this model outputs 120V single-phase only. If you need 240V split-phase, choose the split-phase version instead.

User Manual

📑 Download the SunGold Power LFP Series Pure Sine Inverter/Charger User Manual (PDF)

⚡ The SunGold Power 4000W 12V Low Frequency Inverter Charger delivers reliable pure sine 120V output, high surge power, and smart charging in one rugged package — perfect for mobile and off-grid energy systems.